{ "ts": "2026-09-19T13:02:20.462Z", "source": "openalex", "window": { "from": "2026-08-20", "to": "2026-09-19" }, "method": "OpenAlex works with at least one India-affiliated author, tagged with a quantum topic, whose title or abstract names quantum, qubit, entanglement or QKD. Duplicates by DOI or title removed.", "license_note": "Bibliographic metadata from OpenAlex (CC0). Abstracts and titles remain subject to the terms of their publishers.", "matched_openalex": 140, "count": 118, "rows": [ { "openalex_id": "https://openalex.org/W7213598498", "doi": "https://doi.org/10.5281/zenodo.22826337", "arxiv_id": "", "title": "Causal schedule reversal reveals a cross-platform detector-error-model discrepancy in superconducting quantum error correction", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Jesper Lyng Jensen" ], "india_affiliations": [ "SRM University, Andhra Pradesh" ], "abstract": "Preprint (submitted manuscript, not peer reviewed). Analysis of public surface-code memory datasets from two generations of Google superconducting processors, with a causal schedule-reversal experiment on an IBM Heron processor. © 2026 Jesper Lyng Jensen, SRT Compute ApS.", "published_at": "2026-09-18" }, { "openalex_id": "https://openalex.org/W7213584311", "doi": "https://doi.org/10.5281/zenodo.22828226", "arxiv_id": "", "title": "Infinite Dimensional Stacking and Quantum Information Preservation: Consciousness Transfer as Phase Transitions Across Branes (Ultimate Research Edition with Computational Simulation)", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "PRASANTA GHOSH" ], "india_affiliations": [ "University of Burdwan", "Netaji Subhas Open University" ], "abstract": "The intersection of quantum mechanics, brane cosmology, and philosophy of mind presents a rigorous framework for modeling the continuity of consciousness beyond physical death. Building upon the Orchestrated Objective Reduction (Orch-OR) theory, AdS/CFT correspondence, and higher-dimensional bulk geometries, this ultimate research paper formalizes consciousness not as an ephemeral biological byproduct, but as a discrete, closed-loop quantum information packet traversing stratified spatial dimensions. By introducing strict operator mappings across an infinite-dimensional Hilbert space continuum, utilizing the Randall-Sundrum RS1 metric, analyzing von Neumann entropy invariants, and providing a computational simulation of adiabatic bulk transit (dS/dw = 0), we mathematically prove absolute q", "published_at": "2026-09-18" }, { "openalex_id": "https://openalex.org/W7213441928", "doi": "https://doi.org/10.1038/s41598-026-70175-4", "arxiv_id": "", "title": "A hybrid classical-quantum approach for medical image classification", "type": "article", "venue": "Scientific Reports", "authors": [ "Trilok Nath Pandey", "Shrishti Singh", "Smriti Verma", "Sunil Kumar Pradhan" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "With millions of medical data being produced daily, it is important to leverage current technology to improve the healthcare system. As traditional deep learning models are unable to effectively handle high-dimensional data, a hybrid classical-quantum approach is used to enhance traditional deep learning algorithms. The hybrid classical-quantum models are built upon the classical deep learning framework with quantum techniques. The classical layers are utilized for feature extraction while the quantum layer is used for computational tasks. This addresses computational limitations and data imbalance challenges in medical image analysis. Transfer learning models, such as ResNet18 and InceptionV3, are used in conjunction with a quantum variational circuit to perform the task. The model is tra", "published_at": "2026-09-17" }, { "openalex_id": "https://openalex.org/W7213454217", "doi": "https://doi.org/10.21203/rs.3.rs-9814197/v1", "arxiv_id": "", "title": "Composable Security and Finite-Key Analysis ofMulti-Basis BB84 and Phase-Engineered E91Protocols Under Noisy Quantum Channels", "type": "preprint", "venue": "Research Square", "authors": [ "Monelli Ayyavaraiah", "Katari Balakrishna", "Swathi M", "Syed Mohammed Shafi", "Ramana Reddy B", "Ramya T", "Bindusree G" ], "india_affiliations": [ "Rajiv Gandhi Institute of Petroleum Technology", "Vellore Institute of Technology University", "Advanced Numerical Research and Analysis Group", "Dr. Reddy's Laboratories (India)", "Chaitanya Bharathi Institute of Technology", "Sri Venkateswara University" ], "abstract": "", "published_at": "2026-09-17" }, { "openalex_id": "https://openalex.org/W7109017404", "doi": "https://doi.org/10.1007/jhep09(2026)207", "arxiv_id": "", "title": "Entanglement membrane in the Brownian SYK chain", "type": "article", "venue": "Journal of High Energy Physics", "authors": [ "Márk Mezei", "Harshit Rajgadia" ], "india_affiliations": [ "Tata Institute of Fundamental Research" ], "abstract": "A bstract There is mounting evidence that entanglement dynamics in chaotic many-body quantum systems in the limit of large subsystems and long times is described by an entanglement membrane effective theory. In this paper, we derive the membrane description in a solvable chaotic large- N model, the Brownian SYK chain. This model has a collective field description in terms of fermion bilinears connecting different folds of the multifold Schwinger-Keldysh path integral used to compute Rényi entropies. The entanglement membrane is a traveling wave solution of the saddle point equations governing these collective fields. The entanglement membrane is characterised by a velocity v and a membrane tension $$ \\mathcal{E}(v) $$ E v that we calculate. We find that the membrane has finite width for v ", "published_at": "2026-09-17" }, { "openalex_id": "https://openalex.org/W7213510199", "doi": "https://doi.org/10.5281/zenodo.22811269", "arxiv_id": "", "title": "Finite-Dimensional Modular Theory, Non-Commutative Relative-Entropy Geometry, and Resilient Quantum Mirror Descent for Holographic State Reconstruction (Version 2)", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "AryaArunachalaAnanda Ghulam-e-Shah-e-Unmani", "Aghora Abraham Global LLC, Albuquerque, New Mexico, USA" ], "india_affiliations": [ "Bharat Heavy Electricals (India)" ], "abstract": "Abstract We establish an exact mathematical framework connecting finite-dimensional Tomita–Takesaki modular theory, Kubo–Mori–Bogoliubov (KMB) Riemannian geometry, and entropic optimization for quantum states. First, we prove that the second directional derivative (Hessian) of the Umegaki quantum relative entropy at a KMS thermal state is identically the KMB inner product defined by logarithmic-mean divided differences. Second, we establish an analytical, strictly positive lower bound for the modified logarithmic Sobolev inequality (mLSI) constant α1 ≥ 2λgap(L) / [ln(1 / λmin(ρKMS)) + 2] for Lindblad generators satisfying paired Alicki detailed balance. Third, we formulate relative-entropy quantum mirror descent with faithful-state regularization for holographic Petz map state inversion. K", "published_at": "2026-09-17" }, { "openalex_id": "https://openalex.org/W7213506937", "doi": "https://doi.org/10.5281/zenodo.22811984", "arxiv_id": "", "title": "Finite-Dimensional Modular Theory, Non-Commutative Relative-Entropy Geometry, and Resilient Quantum Mirror Descent for Holographic State Reconstruction (Version 3)", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "AryaArunachalaAnanda Ghulam-e-Shah-e-Unmani", "Aghora Abraham Global LLC, Albuquerque, New Mexico, USA" ], "india_affiliations": [ "Bharat Heavy Electricals (India)" ], "abstract": "Abstract We establish an exact mathematical framework connecting finite-dimensional Tomita–Takesaki modular theory, Kubo–Mori–Bogoliubov (KMB) Riemannian geometry, and entropic optimization for quantum states. First, we prove that the second directional derivative (Hessian) of the Umegaki quantum relative entropy at a KMS thermal state is identically the KMB inner product defined by logarithmic-mean divided differences. Second, we establish an analytical, strictly positive lower bound for the modified logarithmic Sobolev inequality (mLSI) constant α1 ≥ 2λgap(L) / [ln(1 / λmin(ρKMS)) + 2] for Lindblad generators satisfying paired Alicki detailed balance. Third, we formulate relative-entropy quantum mirror descent with faithful-state regularization for holographic Petz map state inversion. K", "published_at": "2026-09-17" }, { "openalex_id": "https://openalex.org/W7213340863", "doi": "https://doi.org/10.5281/zenodo.22763712", "arxiv_id": "", "title": "Finite-Dimensional Modular Theory, Non-Commutative Relative-Entropy Geometry, and Resilient Quantum Mirror Descent for Holographic State Reconstruction (Version 4.0)", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "AryaArunachalaAnanda Ghulam-e-Shah-e-Unmani", "Aghora Abraham Global LLC, Albuquerque, New Mexico, USA" ], "india_affiliations": [ "Bharat Heavy Electricals (India)" ], "abstract": "We establish an exact mathematical and numerical framework connecting finite-dimensional Tomita–Takesaki modular theory, Kubo–Mori–Bogoliubov (KMB) non-commutative Riemannian geometry, and entropic optimization for holographic quantum state reconstruction across black hole horizons. First, we prove Petz's operator monotone metric classification theorem for the Hessian of the Umegaki relative entropy at a faithful KMS thermal state ρ_KMS, showing that it identically coincides with the KMB metric generated by the logarithmic mean divided differences. Second, we establish an analytical, strictly positive lower bound for the modified logarithmic Sobolev inequality (mLSI) constant α₁ ≥ 2λ_gap(L) / [ln(1/λ_min(ρ_KMS)) + 2] for Lindblad generators satisfying paired Alicki detailed balance, provin", "published_at": "2026-09-17" }, { "openalex_id": "https://openalex.org/W7213448317", "doi": "https://doi.org/10.1007/s10479-026-07421-5", "arxiv_id": "", "title": "Machine learning-based performance prediction in quantum queueing: comparative evaluation of tree and neural models for fidelity, heat and latency", "type": "article", "venue": "Annals of Operations Research", "authors": [ "N. Micheal Mathavavisakan", "M. Lakshmi", "Shey‐Huei Sheu" ], "india_affiliations": [ "SRM Institute of Science and Technology" ], "abstract": "", "published_at": "2026-09-17" }, { "openalex_id": "https://openalex.org/W7213452253", "doi": "https://doi.org/10.25258/ijddt.16.82s.149", "arxiv_id": "", "title": "A Hybrid Quantum Re-Uploading Framework for Multimodal Emotion Recognition", "type": "article", "venue": "International Journal of Drug Delivery Technology", "authors": [ "Sai Siva Naga Chandra Pathuru", "S. Sri Harsha" ], "india_affiliations": [ "Koneru Lakshmaiah Education Foundation" ], "abstract": ".", "published_at": "2026-09-16" }, { "openalex_id": "https://openalex.org/W7213431271", "doi": "https://doi.org/10.1038/s41598-026-68327-7", "arxiv_id": "", "title": "Hybrid quantum-inspired secure and energy-efficient framework for wireless sensor networks using quantum key distribution and optimization techniques", "type": "article", "venue": "Scientific Reports", "authors": [ "K. Kalaiselvi", "S. Sheeba Rani", "K. Suriyakrishnaan", "S. Ramalingam" ], "india_affiliations": [ "Hindustan Institute of Technology and Science", "Sona College of Technology" ], "abstract": "Abstract Wireless sensor networks (WSNs) require secure and energy-efficient communication because sensor nodes operate with limited battery power, constrained communication range, and high vulnerability to interception, spoofing, and malicious forwarding. Existing methods usually optimize security, clustering, or routing independently, which reduces overall network efficiency under dense and adversarial conditions. To address this limitation, this work proposes a hybrid framework named BB84-CFG-OOA, which integrates BB84-inspired Quantum Key Distribution (QKD) for secure session key establishment, Coalition Formation Game (CFG) for stable and energy-aware clustering, and the Orangutan Optimization Algorithm (OOA) for optimal routing path selection. In the proposed framework, BB84 secures ", "published_at": "2026-09-16" }, { "openalex_id": "https://openalex.org/W7213327619", "doi": "https://doi.org/10.64643/ijirt.208496-459", "arxiv_id": "", "title": "A Hybrid Quantum-Classical Deep Learning Framework for Efficient Brain Tumor Classification Using MRI Images", "type": "article", "venue": "International Journal of Innovative Research in Technology", "authors": [ "Sayali Nale", "Tejashree Jena", "Anita Atiwadkar" ], "india_affiliations": [ "MIT Art, Design and Technology University" ], "abstract": "Accurate and computationally efficient classification of brain tumors from MRI scans is critical for deployment in resource-constrained clinical settings, where conventional deep CNN architectures-despite achieving strong accuracy-often require large parameter counts that limit scalability. This work proposes a hybrid quantum-classical deep learning framework that combines a classical convolutional feature extractor with a variational quantum circuit (VQC) for multi-class tumor classification. Spatial features extracted by the CNN backbone will be dimensionality-reduced and encoded into quantum states using angle encoding; a parameterized quantum circuit will then process these features in a higher-dimensional Hilbert space, leveraging superposition and entanglement to capture non-linear f", "published_at": "2026-09-15" }, { "openalex_id": "https://openalex.org/W7213275079", "doi": "https://doi.org/10.33774/coe-2026-s3hnr", "arxiv_id": "", "title": "A Kronecker Delta Framework for Normalization and Orthogonality in Multi-Qubit Registers", "type": "preprint", "venue": "", "authors": [ "Chinnaraji Annamalai" ], "india_affiliations": [ "Indian Institute of Technology Kharagpur" ], "abstract": "In quantum information theory and quantum mechanics, mathematical formalism relies heavily on the orthonormality of Hilbert space basis vectors. The Kronecker delta function, denoted as 𝛿ij, serves as a fundamental operator for expressing state orthogonality and normalization across single- and multi-qubit systems. Normalization ensures unit length ( = 1), representing the conservation of total probability, while orthogonality guarantees that distinct basis states share zero geometric overlap ( = 0 for i ≠ j), ensuring mutual exclusivity. This paper presents a formal analysis of the Kronecker delta within qubit state representations, matrix inner products, and multi-qubit bitwise inner product decompositions. Through computational examples on single-qubit states (|0>, |1>) and 5-qubit bin", "published_at": "2026-09-15" }, { "openalex_id": "https://openalex.org/W7213245451", "doi": "https://doi.org/10.5281/zenodo.22763713", "arxiv_id": "", "title": "FINITE-DIMENSIONAL MODULAR AND ENTROPIC METHODS FOR QUANTUM STATE OPTIMIZATION", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "AryaArunachalaAnanda Ghulam-e-Shah-e-Unmani", "Aghora Abraham Global LLC, Albuquerque, New Mexico, USA" ], "india_affiliations": [ "Bharat Heavy Electricals (India)" ], "abstract": "We develop a nite-dimensional framework for modular and entropic methods in quantum state optimization. For a faithful Gibbs state and a nite Lindblad generator satisfying anexplicit paired detailed-balance condition, we prove stationarity, derive the relative-entropy production identity, and record the consequence of a separately assumed modied logarithmic Sobolev inequality. We also derive the relative-entropy mirror step and a conditional trace-norm perturbationestimate. The algorithm is formulated with faithful-state regularization so that every logarithm isdened. The results are deliberately conditional: contraction constants, optimization convergence,and hardware performance are not inferred without additional hypotheses or experiments.", "published_at": "2026-09-15" }, { "openalex_id": "https://openalex.org/W7213316934", "doi": "https://doi.org/10.14445/22315373/ijmtt-v72i8p101", "arxiv_id": "", "title": "Parity, Pairs, and the Power of Small Differences: Even/Odd Symmetry, Decimal Definiteness, and Infinitesimal Imbalance", "type": "article", "venue": "International Journal of Mathematics Trends and Technology", "authors": [ "Karan Jain", "Mudit Garg" ], "india_affiliations": [ "Indian School of Business", "Netaji Subhas University of Technology" ], "abstract": "We present a comprehensive construct wherein nature organizes by pairs (parity, bipartition, entangled duals) while macroscopic asymmetry emerges from small differences (infinitesimal deviations, symmetry breaking, representational obstructions). The paper unifies (i) a parity and pair-based worldview in which evenness encodes constraint and definiteness, and oddness encodes obstruction and imbalance, (ii) a rigorous account of decimal expansions, including termination criteria, multiplicative order, and the identity 0.999... = 1, (iii) a mathematically precise treatment of nonzero but negligible differences via hyperreals and the standard-part map, and (iv) multiple worked physical models demonstrating how minute biases accumulate into macroscopic drift, namely pair-constrained dynamics, ", "published_at": "2026-09-15" }, { "openalex_id": "https://openalex.org/W7213365429", "doi": "https://doi.org/10.1007/s11128-026-05318-7", "arxiv_id": "", "title": "Weak-measurement assisted quantum teleportation fidelity enhancement under noise", "type": "article", "venue": "Quantum Information Processing", "authors": [ "Mohit Dhanik", "Shraddha Sharma", "Pitamber Mahanandia" ], "india_affiliations": [ "National Institute of Technology Rourkela", "Indian Institute of Technology Mandi" ], "abstract": "", "published_at": "2026-09-15" }, { "openalex_id": "https://openalex.org/W7213062917", "doi": "https://doi.org/10.1088/1361-6404/aea724", "arxiv_id": "", "title": "Helical phase geometry: A pedagogical route to the physical origins of spin, quantization, and relativistic kinematics", "type": "article", "venue": "European Journal of Physics", "authors": [ "Natarajan TS" ], "india_affiliations": [ "Indian Institute of Technology Madras" ], "abstract": "Abstract The standard formalisms of quantum mechanics and special relativity are extraordinarily successful, yet several foundational features are introduced to students as postulates or mathematical constructs without physical visualisation: why the wavefunction must be complex, what is physically associated with spin, why time dilation occurs in material particles, where the Lorentz-factor scaling of inertia comes from, why energy quantization follows from a phase-closure condition, and what geometric account can be given of wave-particle duality. This paper presents a geometric picture — already implicit in Schrödinger's Zitterbewegung and de Broglie's internal periodicity — that may help students develop physical intuition for each of these features. The electron is represented as exec", "published_at": "2026-09-14" }, { "openalex_id": "https://openalex.org/W7212736748", "doi": "https://doi.org/10.33774/coe-2026-ssvp1", "arxiv_id": "", "title": "Hilbert Spaces in Quantum Computing: Foundations and Architectural Scaling", "type": "preprint", "venue": "", "authors": [ "Chinnaraji Annamalai" ], "india_affiliations": [ "Indian Institute of Technology Kharagpur" ], "abstract": "Classical computing architectures encode information into discrete binary digits residing in isolated regions of phase space. Quantum computing replaces this paradigm by leveraging complex state vectors defined within continuous, multi-dimensional Hilbert spaces. This paper provides a unified mathematical framework examining finite-dimensional Hilbert spaces in quantum information processing. It traces the structural scaling of quantum state spaces from single-qubit systems up through composite tensor product structures and multi-qubit registers. By detailing computational basis representations, state transformations, probability amplitudes, and multipartite entanglement classes, such as Bell, GHZ, and W states, this paper demonstrates how exponential dimensional scaling enables quantum pa", "published_at": "2026-09-14" }, { "openalex_id": "https://openalex.org/W7155222636", "doi": "https://doi.org/10.1088/2040-8986/aea6f0", "arxiv_id": "", "title": "On-demand generation of all four Bell states using a single PPKTP entangled photon source", "type": "article", "venue": "Journal of Optics", "authors": [ "Gayatri Thik", "Amit Loyal", "Srinivasan K", "Raghavan G" ], "india_affiliations": [ "Defence Institute of Advanced Technology" ], "abstract": "Abstract We present a compact, automated, high-brightness entangled photon source capable of generating all four Bell states with high fidelity. The system utilizes a type-0 quasi-phase-matched PPKTP crystal embedded within a polarization Sagnac interferometer. We introduce a switching scheme based on the controlled, motorized translation of the nonlinear crystal. This device is capable of generating any one of the Bell states on-demand. Experimentally, we demonstrate that translating the crystal from the interferometer's balanced position repeatedly toggles the state between |ϕ + ⟩ and |ϕ -⟩ (as well as |ψ + ⟩ and |ψ -⟩) at regular intervals of 122 ± 14 µm. Subsequently, a half-wave plate (HWP) in the idler arm performed transitions between the quantum states |ϕ ± ⟩ and |ψ ± ⟩. While the ", "published_at": "2026-09-14" }, { "openalex_id": "https://openalex.org/W7213373589", "doi": "", "arxiv_id": "", "title": "Quantum Codes for Generalized Amplitude-damping Noise", "type": "preprint", "venue": "arXiv (Cornell University)", "authors": [ "Sourav Dutta", "Anubhab Rudra", "Manav Seksaria", "Anil Prabhakar", "Prabha Mandayam" ], "india_affiliations": [ "Indian Institute of Technology Madras" ], "abstract": "Quantum error correcting (QEC) plays a crucial role in protecting quantum information against decoherence and enabling scalable, reliable quantum computing. One of the most realistic and ubiquitous sources of noise affecting quantum hardware today is generalized amplitude-damping (GAD) noise. Conventional, deterministic QEC codes struggle to correct for GAD noise because of their inherent structure, leading to fidelity losses that scale linearly with the damping strength. In this work, we introduce the framework of probabilistic approximate quantum error correction (PAQEC), that combines the flexibility of approximate QEC with the potential of post-selected recovery, enabling high-fidelity, resource-efficient error correction. We construct a five-qubit permutation-invariant code that, unde", "published_at": "2026-09-14" }, { "openalex_id": "https://openalex.org/W7213199097", "doi": "https://doi.org/10.33774/coe-2026-9xkq5", "arxiv_id": "", "title": "Quantum Computing and the Bloch Sphere: Mathematical Framework, Single-Qubit Transformations, and Circuit Logic", "type": "preprint", "venue": "", "authors": [ "Chinnaraji Annamalai" ], "india_affiliations": [ "Indian Institute of Technology Kharagpur" ], "abstract": "Quantum computing leverages fundamental principles of quantum mechanics to perform computations far exceeding classical architectures. At the core of single-qubit quantum state manipulation is the Bloch sphere, a geometric representation mapping the state space of two-level quantum systems onto a three-dimensional unit sphere. This paper presents a comprehensive theoretical framework of qubits, starting from single-qubit geometric state vectors and expanding to rigorous multi-qubit mathematical formulations. Furthermore, it analyzes single-qubit quantum gates as unitary rotations on the Bloch sphere, evaluates multi-qubit system scaling, and explicitly proves state normalization conditions using Born's rule across multi-dimensional Hilbert spaces.", "published_at": "2026-09-14" }, { "openalex_id": "https://openalex.org/W7212524682", "doi": "https://doi.org/10.33774/coe-2026-whv2r", "arxiv_id": "", "title": "Rigorous Analysis and Normalization of Equal Superposition States", "type": "preprint", "venue": "", "authors": [ "Chinnaraji Annamalai" ], "india_affiliations": [ "Indian Institute of Technology Kharagpur" ], "abstract": ": In quantum computing and quantum information theory, equal superposition states form the bedrock of quantum parallelism and algorithmic speedups. However, informal or loose mathematical formulations of multi-qubit state expansions often introduce critical notation errors, such as conflating individual state vectors with vector spaces, failing to enforce linear independence of basis vectors, or improperly specifying summation indices. This paper presents a rigorous mathematical framework addressing the formalization, vector space geometry, and normalization proof for equal superposition states in multi-qubit systems. By evaluating probability amplitudes under Born's rule within continuous complex Hilbert spaces, the author of this paper resolves common notation ambiguities and establishes", "published_at": "2026-09-14" }, { "openalex_id": "https://openalex.org/W7212921464", "doi": "https://doi.org/10.3389/frqst.2026.1865541", "arxiv_id": "", "title": "Round-the-clock QKD over a free-space-fiber channel with passive polarization-basis compensation", "type": "article", "venue": "Frontiers in Quantum Science and Technology", "authors": [ "Saumya Ranjan Behera", "Melvee George", "Urbasi Sinha" ], "india_affiliations": [ "Raman Research Institute" ], "abstract": "Quantum key distribution (QKD) enables information-theoretically secure communication by exploiting the quantum properties of single photons. Real-world deployment of QKD, however, requires reliable operation under uncontrolled environmental conditions where background illumination, atmospheric loss, coupling fluctuations, and polarization drift can significantly degrade performance. In this work, we experimentally demonstrate entanglement-based free-space QKD over an atmospheric channel with a passive, low-bandwidth polarization-correction strategy that avoids high-bandwidth real-time polarization tracking during the QKD acquisition. Using a 50-m free-space optical link implementing the BBM92 protocol, we compensate polarization scrambling arising from fiber birefringence and reference-fr", "published_at": "2026-09-14" }, { "openalex_id": "https://openalex.org/W7213347686", "doi": "https://doi.org/10.2174/9798898817053126010009", "arxiv_id": "", "title": "The Importance of Quantum Computing in CyberPhysical Systems", "type": "book-chapter", "venue": "BENTHAM SCIENCE PUBLISHERS eBooks", "authors": [ "Anindya Ghatak", "Satyam Omar", "Sugata Adhya" ], "india_affiliations": [ "Bennett University", "ITM University", "Society for Applied Studies" ], "abstract": "Using the ideas of quantum mechanics, Quantum computing transfers information in completely new ways. It sets out to develop many fields of science and technology, including Cyber-Physical Systems (CPS). Using computer algorithms, CPS helps to solve real-world physical systems. Hence, it plays a prominent role in areas like self-driving cars, automated factories, healthcare, smart energy networks, and robotics. While traditional computing has been used to design CPS, the rise of quantum computing is poised to enable new capabilities. In particular, it solves difficult problems more quickly and, hence, offers better security. In this survey, we discuss how quantum computing can be utilized in CPS, focusing on its possible applications, future impacts on system design, improvements, security", "published_at": "2026-09-14" }, { "openalex_id": "https://openalex.org/W7213373222", "doi": "", "arxiv_id": "", "title": "Hermitian Duality and Syndrome Structure of CSS-Type Codes over the ring $\\mathbb{Z}_q[i]$", "type": "preprint", "venue": "arXiv (Cornell University)", "authors": [ "Akanksha Tiwari", "Ritumoni Sarma" ], "india_affiliations": [ "Indian Institute of Technology Delhi" ], "abstract": "We study the algebraic structure of principal ideal codes and CSS-type stabilizer constructions over the ring $ R_q=\\mathbb Z_q[i],$ where every prime divisor of $q$ is congruent to $1$ modulo $4$. Although such ring-based constructions have recently been considered in the context of classical and quantum error correction, the precise relationship among principal ideal cardinalities, Hermitian duality, algebraic cosets, and stabilizer syndromes requires further structural analysis. We obtain cardinality formulas for principal ideals and their annihilators. For a length-one principal ideal code $C=\\langleα\\rangle$, we show that its Hermitian dual is $ C^{\\perp_H}=\\operatorname{Ann}(σ(α)). $ For nested codes satisfying $ C_2^{\\perp_H}\\subseteq C_1\\subseteq C_2, $ we determine the correspondi", "published_at": "2026-09-13" }, { "openalex_id": "https://openalex.org/W7213373477", "doi": "", "arxiv_id": "", "title": "A new product entropy", "type": "preprint", "venue": "arXiv (Cornell University)", "authors": [ "Zhang Jiaju", "Zhuo-Yu Xian", "René Meyer", "Song He", "Bin Chen" ], "india_affiliations": [ "Tata Institute of Fundamental Research" ], "abstract": "We propose a new product entropy, defined as the Rényi (or von Neumann) entropy of a normalized product operator constructed from two density matrices. We establish a duality showing that the SVD entanglement entropy of a subsystem for two pure states is exactly equivalent to the product entropy of the complementary subsystem. This connection provides both a transparent physical interpretation in terms of the spectral diversity of the subsystem state product and a computationally efficient route that bypasses the reduced transition matrix. For low-lying eigenstates, we derive analytical expressions for the subsystem product entropy between the ground state and primary excitations in two-dimensional conformal field theories, explicitly verified against the critical Ising chain. In quantum q", "published_at": "2026-09-12" }, { "openalex_id": "https://openalex.org/W7212351047", "doi": "https://doi.org/10.1007/s12046-026-03281-8", "arxiv_id": "", "title": "Cryptanalysis of post-quantum linkable ring signature schemes", "type": "article", "venue": "Sadhana", "authors": [ "Satyam Omar", "Namita Tiwari", "Sahadeo Padhye" ], "india_affiliations": [ "Atal Bihari Vajpayee Indian Institute of Information Technology and Management", "Chhatrapati Shahu Ji Maharaj University", "Motilal Nehru National Institute of Technology" ], "abstract": "", "published_at": "2026-09-12" }, { "openalex_id": "https://openalex.org/W7213372769", "doi": "", "arxiv_id": "", "title": "Scaling Hindi Quantum Natural Language Processing through Automatic Pregroup Supertagging", "type": "preprint", "venue": "arXiv (Cornell University)", "authors": [ "Gautami Sanjay Naik", "Krishna Bhatia", "Mithun Paul Saint-Germain", "H Aswath Babu" ], "india_affiliations": [ "Indian Institute of Technology Dharwad" ], "abstract": "Quantum Natural Language Processing (QNLP) uses pregroup grammars to translate grammatical structure into diagrammatic representations and quantum circuits. Recent Hindi QNLP work has shown that Hindi-specific pregroup grammars can support grammar-sensitive compositional models, but grammatical type assignment is still largely manual, limiting scalability. This paper formulates automatic Hindi pregroup supertagging as a token-level classification task. Using a manually annotated corpus of 380 Hindi sentences, we evaluate lexical, contextual, prompting-based, lexical-repair, and suffix/morphology-aware methods. Results show that simple lexical and contextual models are strong in this low-resource setting: contextual backoff achieves the best completed accuracy of 64.56\\%, while raw Qwen2.5 ", "published_at": "2026-09-12" }, { "openalex_id": "https://openalex.org/W7213372740", "doi": "", "arxiv_id": "", "title": "A Dynamic Central Limit Theorem for Mean-Field Quantum Filtering", "type": "preprint", "venue": "arXiv (Cornell University)", "authors": [ "Sangsidhya Kar" ], "india_affiliations": [ "Presidency University" ], "abstract": "We study Open Problem 3 of Kolokoltsov's survey \"Quantum filtering and propagation of chaos for open quantum systems\" (2026) on $H=\\mathbb{C}^d$ ($2\\le d<\\infty$ fixed): a dynamic central limit theorem for $N$ mean-field coupled quantum particles under continuous diffusive (homodyne) measurement. The tagged conditional state $Γ^{(1)}_t$ is compared with the one-particle filter $γ_t$ driven by its own innovation, the mean-field Hamiltonian evaluated at the deterministic Hartree-Lindblad mean $η_t$. The fluctuation $F^N_t=\\sqrt{N}(Γ^{(1)}_t-γ_t)$ is not autonomous in the limit: it is driven through the linearised filter by its own innovation, by an idiosyncratic Gaussian martingale carried by the connected correlations with the other particles, and by the empirical field $\\hat G^N_t=\\sqrt{N}", "published_at": "2026-09-11" }, { "openalex_id": "https://openalex.org/W7212264724", "doi": "https://doi.org/10.1088/1402-4896/aea656", "arxiv_id": "", "title": "Calibration-aware CNN-U-Net syndrome decoding for a two-patch surface-colour code on a superconducting processor", "type": "article", "venue": "Physica Scripta", "authors": [ "Sandeep Kumar", "Pradeep Kumar Biswal" ], "india_affiliations": [ "Tilka Manjhi Bhagalpur University" ], "abstract": "Abstract Neural syndrome decoders are usually validated in simulation. Hardware evidence remains scarce. This paper reports a calibration-aware convolutional U-Net decoder executed on ibm fez, a 156-qubit Heron r2 processor. The decoder consumes two inputs. The first is the stabilizer syndrome. The second is a perqubit calibration snapshot read from the device at run time. A rotated surface-code patch and a triangular colour-code patch are both constructed and verified. Over 1024 single-shot trials on real hardware, the decoder reached 77.15% logical fidelity (95% CI [74.58, 79.72]) against 67.19% for a minimum-weight perfect matching baseline decoded from the same trials (z = 5.03, p < 10 -6 ). Error-site identification reached 49.92% over 615 injected-error trials. We report five impleme", "published_at": "2026-09-11" }, { "openalex_id": "https://openalex.org/W7212287478", "doi": "https://doi.org/10.1016/b978-0-443-43914-8.00012-1", "arxiv_id": "", "title": "Future trends in AI-enhanced digital twins: From autonomous systems to quantum integration", "type": "book-chapter", "venue": "Elsevier eBooks", "authors": [ "Vaishali Sarbhukan", "Anandkumar Pardeshi", "Sujata Deshmukh" ], "india_affiliations": [ "Bharat Serums and Vaccines (India)" ], "abstract": "", "published_at": "2026-09-11" }, { "openalex_id": "https://openalex.org/W7212302910", "doi": "https://doi.org/10.1088/1674-1056/aea605", "arxiv_id": "", "title": "Nonclassicality and Phase Estimation of Hybrid Squeezed States", "type": "article", "venue": "Chinese Physics B", "authors": [ "Mohammad Bohloul", "Jia-Xin Peng", "Mohamed Amazioug", "P. Najmadi", "S. K. Singh" ], "india_affiliations": [ "Akal University" ], "abstract": "Abstract We present a theoretical study on the generation and nonclassical properties of hybrid squeezed states (HSS), a class of engineered quantum states with enhanced quantum features. Using a modified beam splitter-Kerr medium scheme, we construct superpositions of squeezed vacuum and two-photon-added squeezed states, providing a flexible framework to generate and control hybrid quantum states. Nonclassicality is analysed via Mandel's $Q$ parameter, photon number distributions, probability distribution functions, and Wigner functions, revealing sub-Poissonian statistics, oscillatory photon distributions, and significant Wigner negativity. Phase-sensitivity analysis within a Mach-Zehnder interferometric framework demonstrates that HSS outperform conventional squeezed and photon-added sq", "published_at": "2026-09-11" }, { "openalex_id": "https://openalex.org/W7212373585", "doi": "https://doi.org/10.64388/irev10i3-1723025", "arxiv_id": "", "title": "Quantum Computing in Artificial Intelligence: Convergence, Frameworks, and Emerging Application", "type": "article", "venue": "Iconic Research and Engineering Journals", "authors": [ "Albert James", "Densy John Vadakkan" ], "india_affiliations": [ "CMR University" ], "abstract": "The rapid convergence of quantum computing and artificial intelligence is reshaping computational paradigms across cryptography, optimization, sensing, and intelligent systems. This paper surveys and synthesizes recent developments at the intersection of quantum computing and AI, with particular attention to superconducting quantum hardware, quantum reinforcement learning, quantum key distribution optimization, and hybrid AI-driven post-quantum security frameworks. Drawing upon 2026 literature — including advances in high-speed predistortion architectures for flux-bias lines [1], enhanced quantum key distribution parameter optimization [2], quantum reinforcement learning for spectrum allocation in 6G networks [3], hybrid AI–post-quantum encryption for Internet of Medical Things (IoMT) syst", "published_at": "2026-09-11" }, { "openalex_id": "https://openalex.org/W7212126024", "doi": "https://doi.org/10.1007/s11082-026-09136-0", "arxiv_id": "", "title": "Dynamics of quantum correlations in a squeezed generalized amplitude damping channel", "type": "article", "venue": "Optical and Quantum Electronics", "authors": [ "Tamalapakula Kesavulu", "R. Muthuganesan" ], "india_affiliations": [ "SRM Institute of Science and Technology" ], "abstract": "", "published_at": "2026-09-10" }, { "openalex_id": "https://openalex.org/W7212406381", "doi": "", "arxiv_id": "", "title": "Generative Replay Mitigates Sample Starvation in Quantum Architecture Search", "type": "preprint", "venue": "arXiv (Cornell University)", "authors": [ "Akash Kundu", "Amit Kumar Jaiswal", "Sebastian Feld", "Prayag Tiwari" ], "india_affiliations": [ "Indian Institute of Technology BHU", "Banaras Hindu University" ], "abstract": "Reinforcement learning (RL) can automate quantum architecture search, but its scalability is limited when useful circuit trajectories become rare in the rapidly expanding search space. Existing replay mechanisms reuse observed transitions; the proposed learned model produces additional predicted one step transitions from real state-action seeds. Here we introduce GenQAS, a tensor network-guided RL framework that combines a fixed matrix product state warm-start with prioritized generative replay. A learned local transition model generates synthetic circuit transitions on demand and mixes them with real experience during Double Deep Q-Network updates. Under a random exploration analysis, near ground state circuits occupy a rapidly shrinking region of the accessible state space. We investigat", "published_at": "2026-09-10" }, { "openalex_id": "https://openalex.org/W7212157062", "doi": "https://doi.org/10.68104/ijasit.v1.i3.26", "arxiv_id": "", "title": "Hybrid Post-Quantum Cryptography and Quantum Key Distribution Co-Design for Quantum-Safe 6G, O-RAN, and IoT Infrastructure", "type": "article", "venue": "International Journal of Applied Smart Interdisciplinary Technologies", "authors": [ "Aagnik Chakraborty" ], "india_affiliations": [ "Gujarat University" ], "abstract": "Cryptographically relevant quantum computers do not yet exist, but the transition away from classical public-key cryptography is already underway: adversaries can record encrypted traffic today and decrypt it once a sufficiently capable quantum computer becomes available, a threat known as harvest-now, decrypt-later. This paper examines the engineering case for combining post-quantum cryptography (PQC) with quantum key distribution (QKD) as a strategy for securing next-generation communication infrastructure, focusing on 6G core and radio-access networks, Open RAN (O-RAN), and constrained Internet of Things (IoT) deployments. Rather than treating the two mechanisms as symmetric, interchangeable layers, the paper examines what each one actually guarantees, surveys the empirical evidence ava", "published_at": "2026-09-10" }, { "openalex_id": "https://openalex.org/W7212153816", "doi": "https://doi.org/10.1088/1402-4896/aea5a6", "arxiv_id": "", "title": "Squeezed-reservoir decoherence control in strongly coupled optomechanics", "type": "article", "venue": "Physica Scripta", "authors": [ "Vaibhav Prakash", "Aranya B. Bhattacherjee" ], "india_affiliations": [ "Mahindra Group (India)", "Birla Institute of Technology and Science - Hyderabad Campus", "Birla Institute of Technology and Science, Pilani" ], "abstract": "Abstract Recent advancements in strong single-photon optomechanical coupling also demand a deeper understanding of environmental interactions in this regime. The inadequacy of the standard Lindblad master equation necessitates the use of the Dressed-State Master Equation (DSME), which accounts for the correct eigenstates. This work investigates the impact of squeezed vacuum and thermal reservoirs on the decoherence of cavity photon Fock states in the strong coupling regime. We demonstrate that decoherence can be effectively controlled by tuning reservoir parameters, with the control mediated through a cavity dephasing term that becomes significant at high temperatures. The findings presented provide critical insights into reservoir engineering for precise control of quantum decoherence, ad", "published_at": "2026-09-10" }, { "openalex_id": "https://openalex.org/W7212032467", "doi": "https://doi.org/10.21275/mr26908183004", "arxiv_id": "", "title": "A Comparative Study of Classical Cryptography and Post-Quantum Cryptographic Algorithms", "type": "article", "venue": "International Journal of Science and Research (IJSR)", "authors": [ "Varshini B M", "Umadevi Ramamorthy" ], "india_affiliations": [ "CMR University" ], "abstract": "The rapid progress of quantum computing is changing the assumptions on which many modern security systems are built. Public-key methods such as RSA and Elliptic Curve Cryptography (ECC) remain dependable against conventional computers, yet their underlying mathematical problems can be solved efficiently by a sufficiently capable quantum computer using algorithms such as Shor's algorithm. This creates a practical need to evaluate cryptographic techniques that can continue to protect information in a post-quantum environment. This study compares representative classical algorithms - RSA, ECC, and the Advanced Encryption Standard (AES) - with post-quantum approaches, with particular attention to CRYSTALS-Kyber and CRYSTALS-Dilithium. The comparison considers security assumptions, key-generati", "published_at": "2026-09-09" }, { "openalex_id": "https://openalex.org/W7212429652", "doi": "https://doi.org/10.5281/zenodo.22736496", "arxiv_id": "", "title": "The Kinetic Ground Hypothesis: Addressing the Problem of Motion through Vedic Nomology", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Mohit Gour", "Kartik Iyer", "Utkarsh Singh", "Sandeep", "Govind Maurya" ], "india_affiliations": [ "Indian Institute of Technology Bombay" ], "abstract": "Physical theories have been highly successful in analysing phenomena associated with motion, such as forces, trajectories, fields, and spacetime dynamics, yet comparatively little attention has been given to motion itself as a foundational problem. Across classical mechanics, quantum theory, and general relativity, motion is treated as a presupposed background condition rather than as an entity requiring ontological grounding. This paper identifies this asymmetry as a neglected issue in the foundations of physics. By examining the conceptual role of physical laws across major theoretical frameworks, it is argued that such laws constrain the form of motion without accounting for its persistent existence. This reveals a limitation common to inert ontological assumptions, according to which m", "published_at": "2026-09-09" }, { "openalex_id": "https://openalex.org/W7211901158", "doi": "https://doi.org/10.1007/s11128-026-05329-4", "arxiv_id": "", "title": "A provably secure framework for noise-aware delegated quantum computation and storage", "type": "article", "venue": "Quantum Information Processing", "authors": [ "Sanidhya Gupta", "Ankur Raina" ], "india_affiliations": [ "Indian Institute of Science Education and Research, Bhopal" ], "abstract": "", "published_at": "2026-09-08" }, { "openalex_id": "https://openalex.org/W4417129401", "doi": "https://doi.org/10.1088/2058-9565/aea440", "arxiv_id": "", "title": "Enhancing measurement precision of non-degenerate two-photon absorption", "type": "article", "venue": "Quantum Science and Technology", "authors": [ "Gaurav Shukla", "S. Panahiyan", "Devendra Kumar Mishra", "Frank Schlawin" ], "india_affiliations": [ "Banaras Hindu University" ], "abstract": "Abstract Recent theoretical and experimental advances have shown that squeezed states of light can be engineered to enhance the resolution of optical measurements. Extending such quantum-enhanced techniques to nonlinear optical processes has therefore attracted considerable interest. In particular, two-photon absorption (TPA), which has wide-ranging applications in physics, chemistry, and biology, has emerged as a promising platform for exploiting these quantum advantages. In this work, we investigate whether and how correlations between light modes can be used to improve optical resolution in TPA. We analyze non-degenerate TPA transmission measurements using two-mode squeezed light and compare different measurement strategies. We find that intensity correlation measurements offer better p", "published_at": "2026-09-08" }, { "openalex_id": "https://openalex.org/W7211958530", "doi": "https://doi.org/10.21203/rs.3.rs-10789136/v1", "arxiv_id": "", "title": "Intelligent Security Monitoring and Secure Key Generation for Long-Distance QKD Using Hybrid Machine Learning and Chaotic Perturbation", "type": "preprint", "venue": "Research Square", "authors": [ "Aditya Narayan", "Ronaldo Mahabodhi", "Yatendra Sahu", "Saurabh Jain", "RK Pateriya" ], "india_affiliations": [ "Indian Institute of Science Education and Research, Bhopal", "Madan Mohan Malaviya University of Technology", "Maulana Azad National Institute of Technology" ], "abstract": "", "published_at": "2026-09-08" }, { "openalex_id": "https://openalex.org/W7135088521", "doi": "https://doi.org/10.1016/j.physa.2026.132021", "arxiv_id": "", "title": "Coherence thermometry using multipartite quantum systems", "type": "article", "venue": "Physica A Statistical Mechanics and its Applications", "authors": [ "Pranav Perumalsamy", "Abhijit Mandal", "Sovik Roy", "Manirul Ali" ], "india_affiliations": [ "Robert Bosch (India)", "Techno India University" ], "abstract": "", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7211871528", "doi": "https://doi.org/10.3390/quantum8030091", "arxiv_id": "", "title": "EDDE-MT-Based Detection-Record Integrity and DV-QKD with Side-Channel Monitoring Using DVQMTC and E-TeLU-Bi-LSTM for Securing CPS", "type": "article", "venue": "Quantum Reports", "authors": [ "Vidhya Prakash Rajendran", "P. Deepalakshmi", "P. Chinnasamy", "Ezhil Kalaimannan" ], "india_affiliations": [ "Kalasalingam Academy of Research and Education" ], "abstract": "Discrete-Variable Quantum Key Distribution (DV-QKD) provides a mechanism for establishing secret keys between legitimate parties using quantum-state transmission and authenticated classical post-processing. In this work, the underlying quantum layer follows a biased-basis decoy-state BB84 model using phase-randomized weak coherent pulses, while additional implementation-level mechanisms are integrated to support Cyber-Physical System (CPS) communication. Exponential Double Delta Encoding-based Merkle Tree (EDDE-MT) is employed as a receiver-side detection-record integrity mechanism for detecting deletion, insertion, reordering, or modification of records relative to an authenticated committed detection-event batch. It does not establish the completeness of the original TCSPC acquisition, d", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7210265488", "doi": "https://doi.org/10.5281/zenodo.22494425", "arxiv_id": "", "title": "FADE-RIPE: A Robust Quantum Optimal Control Algorithm for Superconducting Transmons with Realistic Hardware Constraints (reference implementation)", "type": "article", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Sashreek Satapathy" ], "india_affiliations": [ "Indian Institute of Information Technology Vadodara" ], "abstract": "FADE-RIPE: Transmon Quantum-Gate Optimizer FADE-RIPE (Fidelity Aware, Distortion-aware, Environment-conscious Robust Iterative Pulse Engineering) is a gradient-based quantum optimal control method for a single-qubit gate on a 4-level (N=4) transmon, benchmarked against GRAPE and CRAB (via qutip_qtrl). The model and optimizer include: Realistic transmon physics: An N=4 Hilbert space with Kerr/anharmonic H0, a subspace-projected 2x2 target gate, and an explicit penalty for population leaking into levels |2>, |3>. Exact Lindbladian propagation and gradient: Piecewise-constant Lindblad master-equation propagation with an exact analytic gradient (via the augmented-generator/Frechet-derivative trick). AWG bandwidth filter: A Butterworth low-pass filter on the control pulses, represented as an ex", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7211903456", "doi": "https://doi.org/10.1088/1402-4896/aea381", "arxiv_id": "", "title": "Geometric interpretation of the triality relation in bipartite quantum systems", "type": "article", "venue": "Physica Scripta", "authors": [ "Pratidhwani Swain", "Ramita Sarkar", "Sukanta K. Tripathy", "Prasanta K. Panigrahi" ], "india_affiliations": [ "Berhampur University", "Siksha O Anusandhan University" ], "abstract": "Abstract We investigate quantum correlations and coherence in bipartite systems using the universal triality relation that connects coherence, predictability, and entanglement. The geometric structure underlying entanglement in bipartite two-qubit and two-qutrit systems is analyzed using wedge products of post-measurement vectors. For two-qubit states, concurrence emerges naturally as the area spanned by the post-measurement vectors, while in qutrit systems the generalized I-concurrence is associated with higher-dimensional geometric structures formed by multiple wedge products. We further analyze the relationship between wedge products, eigenvalues, and eigenvectors of correlated systems and discuss the universality of the triality relation in arbitrary dimensions. Our results provide a g", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7211877129", "doi": "https://doi.org/10.1002/lpor.71837", "arxiv_id": "", "title": "Photonic Hardware and Network Architectures for the Quantum Internet: From Entanglement Generation to Global Connectivity", "type": "article", "venue": "Laser & Photonics Review", "authors": [ "Bhabana Sarma", "Harshit Tiwari", "Ignacio Llamas‐Garro", "Ruchi Tripathi", "Satyendra K. Mishra" ], "india_affiliations": [ "Guru Ghasidas Vishwavidyalaya" ], "abstract": "ABSTRACT The rapid growth of global data traffic and the increasing demand for secure and scalable communication are driving the need for networking paradigms beyond the classical internet. The quantum internet has emerged as a promising solution, leveraging the principles of quantum mechanics to enable intrinsically secure communication, and computation. In this paper, we present a comprehensive review of the fundamental building blocks and system architectures required for large‐scale quantum networks, with a particular focus on photonic hardware platforms. We introduce key concepts of quantum information relevant to networking, including qubits, entanglement, and decoherence, and examine enabling technologies across different qubit platforms, highlighting photonic qubits as the primary ", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7211889579", "doi": "https://doi.org/10.3389/fddsv.2026.1815176", "arxiv_id": "", "title": "Quantum computing in drug discovery", "type": "article", "venue": "Frontiers in Drug Discovery", "authors": [ "Harshraj Gadbail", "Rajendra Rewatkar", "Nishant Jumde", "Mrinal Manker", "Pratik Nagre", "Sujal Zade" ], "india_affiliations": [ "Datta Meghe Institute of Higher Education and Research" ], "abstract": "Early-stage decisions in the pharmaceutical development process carry outsized consequences for eventual clinical success, yet the computational tools underpinning these decisions remain fundamentally constrained. Computer-aided drug design (CADD) has transformed how researchers navigate chemical space and predict ligand–target interactions, but classical implementations rely on mechanical force-field approximations that fail to capture polarisation, charge transfer, and electron correlation effects central to molecular recognition and reactivity. Quantum-mechanical treatments that correctly describe these phenomena scale exponentially with system size on classical hardware, rendering them impractical for drug-relevant biomolecules. Quantum computing offers a physically motivated path beyo", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7116112014", "doi": "https://doi.org/10.1002/spe.70106", "arxiv_id": "", "title": "Quantum Machine Learning for Cybersecurity: A Taxonomy and Future Directions", "type": "article", "venue": "Software Practice and Experience", "authors": [ "Siva Sai", "Ishika Goyal", "Shubham Sharma", "Sri Harshita Manuri", "Vinay Chamola", "Rajkumar Buyya" ], "india_affiliations": [ "Birla Institute of Technology and Science, Pilani", "Birla Institute of Technology and Science - Hyderabad Campus" ], "abstract": "ABSTRACT Context The rapid increase in cyber threats, coupled with increasingly sophisticated attack strategies and the exponential growth of data in recent years, has exposed significant limitations in classical machine learning, rule‐based, and signature‐based defense mechanisms. These approaches are often unable to scale or adapt effectively to evolving threat landscapes. Objective As a result, Quantum Machine Learning (QML) has emerged as a promising alternative, leveraging computational principles from quantum mechanics. QML enables more expressive encoding and efficient processing of high‐dimensional data, offering potential advantages for complex cybersecurity tasks. Method This survey provides a comprehensive overview of QML techniques relevant to the domain of security, such as Qu", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7213466174", "doi": "https://doi.org/10.67440/ahj.vi.2131", "arxiv_id": "", "title": "Quantum-Resistant Blockchain Protocols For Secure Transactions", "type": "article", "venue": "Adolescencia e Saude", "authors": [ "KOLLIKONDLA PRANEETH KUMAR", "V. Valli Mayil", "Sushmitha M", "T. T. Sunil" ], "india_affiliations": [ "Andhra University", "Sri Krishnadevaraya University" ], "abstract": "Background: Digital signatures are crucial for ensuring the authentication of deals in a blockchain system. The introduction of quantum computing, however, can be a real danger to these types of systems, as it allows for hackers to break the widely used cryptographic systems, such as RSA, ECC and AES. To overcome this shortcoming, a quantum-resistant digital signature verification mechanism using the CRYSTALS-Dilithium algorithm is suggested for securing transactions in the post-quantum era. The method is based on a signature architecture mixture of classical and quantum -safe methods, providing backward compatibility and enhanced security. This process consists of transaction creation, digital signature, transaction broadcasting, transaction validation, and block formation and a consensus", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7212021275", "doi": "https://doi.org/10.70917/ijcisim-2026-5587", "arxiv_id": "", "title": "Trends in Quantum Key Distribution Technologies: A Systematic Review of Protocols, Network Architectures, and Deployment Challenges", "type": "review", "venue": "International Journal of Computer Information Systems and Industrial Management Applications", "authors": [ "Anugraha Saji", "Anju Pratap" ], "india_affiliations": [ "Government Medical College" ], "abstract": "The emergence of the Quantum computing technologies is imposing greater threats on the existing cryptographic algorithms that rely heavily on the mathematical problems, creating a growing demand for quantum safe Communication. Even though Quantum Key Distribution (QKD) is a theoretically proven secure key exchange method against quantum attacks, it also faces several deployment challenges like scalability, cost, and interoperability limitations. A systematic review was conducted to examine the recent advancements in QKD technologies by analyzing the peer reviewed studies Published between 2021 to 2025 and classified according to protocol design, network architecture and deployment readiness. The review analyzed articles for a Comparison of the recent advancements in the field of Twin Field", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7211918342", "doi": "https://doi.org/10.3389/frcmn.2026.1929455", "arxiv_id": "", "title": "Trust-aware hybrid QKD–PQC key management for quantum-safe communication networks", "type": "article", "venue": "Frontiers in Communications and Networks", "authors": [ "A. Agalya", "K. Priyadarsini" ], "india_affiliations": [ "SRM Institute of Science and Technology" ], "abstract": "The security of today’s communication networks rests on public-key primitives—RSA and elliptic-curve Diffie–Hellman—that a large quantum computer would break with Shor’s algorithm, while the “harvest-now, decrypt-later” threat means traffic captured today is already at risk. Two defences exist but each is incomplete: quantum key distribution (QKD) offers information-theoretic security yet fails open under eavesdropping or channel loss, while post-quantum cryptography (PQC) is computationally secure and always available but lacks physical-layer guarantees. This paper presents a dual-layer, trust-aware key-management framework that uses BB84 QKD as the primary channel and a Ring-LWE/Kyber key-encapsulation mechanism as a quantum-safe fallback, governed by a controller monitoring the quantum ", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7211905184", "doi": "https://doi.org/10.55041/ijcope.v2i9.035", "arxiv_id": "", "title": "Weighted Architectures for Quantum-Annealed Logistics, and Green Multi-Echelon Resilience", "type": "article", "venue": "International Journal of Creative and Open Research in Engineering and Management", "authors": [ "Shubham S", "Shinde S" ], "india_affiliations": [ "Government of Maharashtra", "Sant Gadge Baba Amravati University", "Government Vidarbha Institute of Science and Humanities" ], "abstract": "A single operational continuum is assembled in which weighted testing-function topologies carry digital-twin residuals, green-logistics energy accounts, blockchain hash-chain provenance, and quantum-annealed packing decisions. A complete, metrizable locally convex testing-function space is assembled from a countable family of exponentially weighted seminorms; sequential completeness, seminorm separation, and dual growth bounds are established so that distributional FKF and FKL transforms become continuous operators on the associated dual. The same architecture encodes hash-chain provenance, swipe-controller actuation, unit-load-device packing, multi-echelon lead-time spectra, and solar-assisted hybrid-electric energy balances as constrained resilience programmes. Mapping a non-local time-f", "published_at": "2026-09-07" }, { "openalex_id": "https://openalex.org/W7208822410", "doi": "https://doi.org/10.5281/zenodo.22333884", "arxiv_id": "", "title": "Broker-Level Scheduling in Hybrid Quantum Edge–Cloud Systems: A Capability- and Queue-Aware Routing Approach", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Riman Mandal", "Katkar Vijay", "Kumar Singh Rahul", "Bhakhar Ruchika" ], "india_affiliations": [ "Galgotias University", "Bennett University", "Noida International University", "KR Mangalam University" ], "abstract": "", "published_at": "2026-09-05" }, { "openalex_id": "https://openalex.org/W7208823505", "doi": "https://doi.org/10.34257/ljrcst230653uk", "arxiv_id": "", "title": "Quantum Artificial Intelligence opportunities, challenges, threats, use case and future trends", "type": "article", "venue": "London Journal of Research In Computer Science and Technology", "authors": [ "Mahmood Ali Mirza", "Narasimha Rao Thota", "Faheem Ali Mirza" ], "india_affiliations": [ "Krishna University" ], "abstract": "The field of quantum computing is presently undergoing a significant transition. Even if quantum computers are now so large and capable that they can only be used under certain limitations, be conventionally emulated, it is still unknown which applications can benefit from a quantum advantage. With an emphasis on artificial intelligence (AI) and its applications as some of the most significant key technologies of our time, this provided an excellent starting point for looking beyond the already demonstrated acceleration of a few specific classical computing tasks by quantum computers, such as unstructured search and prime factorization. Actually, the goal of Quantum Artificial Intelligence (QAI) is to merge the two worlds for each’s benefit. Stated differently, QAI research focuses on usin", "published_at": "2026-09-05" }, { "openalex_id": "https://openalex.org/W7208830489", "doi": "https://doi.org/10.1016/j.sasc.2026.200624", "arxiv_id": "", "title": "Quantum-adaptive cryptography and adaptive multi-consensus layer for future-proof blockchain security and scalability", "type": "article", "venue": "Systems and Soft Computing", "authors": [ "Jermin Jeaunita T.C", "Panimozhi K", "Sangeetha Francelin Vinnarasi F", "Upendra Kumar", "Haiter Lenin Allasi", "Sasikumar P" ], "india_affiliations": [ "St. Joseph's Institute of Technology", "Birla Institute of Technology, Mesra" ], "abstract": "Quantum computing is an emerging technology that could easily break cryptographic algorithms and threaten transaction integrity in blockchain networks. Existing blockchain consensus mechanisms remain static, and they are not capable of adapting to dynamic security requirements, performance, and energy consumption. To address these limitations, this study proposes a Quantum-Adaptive Cryptography and Adaptive Multi-Consensus blockchain framework that dynamically responds to evolving quantum threats and network conditions. The framework employs an AI-driven decision tree model to classify quantum threat levels using features derived from the QM9 quantum chemical dataset. The decision tree classifier classifies quantum threat levels into either low, high, or moderate, which then triggers one o", "published_at": "2026-09-05" }, { "openalex_id": "https://openalex.org/W7165853132", "doi": "https://doi.org/10.1016/j.physleta.2026.132150", "arxiv_id": "", "title": "A phase-space approach for performing continuous-variable quantum teleportation with a non-Gaussian resource", "type": "article", "venue": "Physics Letters A", "authors": [ "Ankita", "Arpita Chatterjee" ], "india_affiliations": [ "J.C. Bose University of Science & Technology, YMCA" ], "abstract": "", "published_at": "2026-09-04" }, { "openalex_id": "https://openalex.org/W7208738468", "doi": "https://doi.org/10.5281/zenodo.22302436", "arxiv_id": "", "title": "Foundations of Trans-Planckian Horizon Lock Mechanics – Technical Treatise: Formulating the Mathematical Physics Framework for Horizon Locked Quantum Clocks satisfying Absolute Non-Decoherent Chronometry", "type": "article", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Devendra Kumar Khandey" ], "india_affiliations": [ "Chhattisgarh Dental College & Research Institute" ], "abstract": "This technical treatise delivers the formal design mechanics and mathematical physics architecture for a Horizon Locked Quantum Clock (HLQC) operating within the framework of Trans-Planckian Horizon Lock Mechanics (TPHLM). Standard atomic clocks based on cesium or strontium transitions suffer from fundamental quantum jitter, environmental phase-dephasing, and localized gravitational red-shift variances that limit their absolute metrological baseline at the extreme sub-Planckian limits (t → 0). By anchoring the internal non-abelian oscillation frequency of the quantum clock directly to the spatial scale factor of the Khandey Causal Invariant Constant (K_J = 2.02 × 10^26 m), we successfully isolate the system oscillator from localized thermal and geometric instabilities. We prove that the in", "published_at": "2026-09-04" }, { "openalex_id": "https://openalex.org/W7208780468", "doi": "https://doi.org/10.1088/1402-4896/aea2e0", "arxiv_id": "", "title": "Phase-sensitive framed-ribbon representation of single-qubit Pauli measurements in linear cluster states", "type": "article", "venue": "Physica Scripta", "authors": [ "Sougata Bhattacharyya", "Sovik Roy" ], "india_affiliations": [ "Techno India Group (India)" ], "abstract": "Abstract We provide an explicit geometric classification of single-qubit projective measurements on one-dimensional (1D) linear cluster states (LCS) within a topological framework. By establishing an explicit geometrical correspondence between local measurements and topological surgery operations on an associated link model i.e. a measurement-surgery correspondence , we represent the cluster state as a linear Hopf chain. Within this model, measurements in the computational ( Z ) basis act as topological severance in case of bulk measurements while boundary pruning happens for end measurements of qubits. In contrast, transverse ( X ) basis measurements remove the measured qubit and, rather than fusing its neighbours into a single splice, induce a geometric stratification of the residual sta", "published_at": "2026-09-04" }, { "openalex_id": "https://openalex.org/W7208735560", "doi": "https://doi.org/10.1080/14786435.2026.2719597", "arxiv_id": "", "title": "Reimagining breast cancer diagnosis with quantum technology", "type": "article", "venue": "The Philosophical Magazine A Journal of Theoretical Experimental and Applied Physics", "authors": [ "ShivajiRao G", "M. Jaiganesh", "A. Vincent Antony Kumar", "S. Sruthi", "K. Senthur Balaji", "M. Lathika" ], "india_affiliations": [ "Karpagam Academy of Higher Education" ], "abstract": "The impacts of breast cancer remain a severe cause of death, significantly affecting the quality of life, especially among women. Traditional diagnostic approaches, particularly in the early stages, lack sophistication, reliability, and accuracy. Early and accurate diagnosis is crucial for improving survival rates and reducing the need for aggressive treatments. To address this, QSVM-GSA, an innovative quantum algorithm, is proposed. This novel integrated quantum framework simultaneously addresses the dual challenge of high diagnostic accuracy (via QSVM's quantum kernel trick) and computational efficiency/speed (via GSA integration). QSVM-GSA combines the Quantum Support Vector Machine and Grover's Search Algorithm, leveraging quantum mechanics for superior diagnostic accuracy and efficien", "published_at": "2026-09-04" }, { "openalex_id": "https://openalex.org/W4416256081", "doi": "https://doi.org/10.1007/s11569-026-00522-2", "arxiv_id": "", "title": "Current and Future Directions for Responsible Quantum Technologies: A ResQT Community Perspective", "type": "article", "venue": "Ethics and Society", "authors": [ "Adrian Schmidt", "Alexandre Artaud", "Arsev Umur Aydınoğlu", "Astrid Bötticher", "Rodrigo Araiza Bravo", "Marilú Chiofalo", "Rebecca Coates", "İlke Ercan", "Alexei Grinbaum", "Emily Haworth", "Carolyn Ten Holter", "Eline de Jong", "Bart Karstens", "Matthias C. Kettemann", "Anna Knörr", "Clarissa Ai Ling Lee", "Fabio De Marco", "Wenzel Mehnert", "Josephine C. Meyer", "Shantanu Sharma", "Pieter E. Vermaas", "Carrie A. Weidner", "Barbara Wellmann", "Mira Luca Wolf-Bauwens", "Zeki C. Seskir" ], "india_affiliations": [ "Electronics Corporation of India" ], "abstract": "Quantum technologies (QT) are advancing rapidly, promising advancements across a wide spectrum of applications but also raising significant ethical, societal, and geopolitical impacts, including dual-use capabilities, varying levels of access, and impending quantum divide(s). To address these, the Responsible Quantum Technologies (ResQT) community was established to share knowledge, perspectives, and best practices across various disciplines. Its mission is to ensure QT developments align with ethical principles, promote equity, and mitigate unintended consequences. Initial progress has been made, as scholars and policymakers increasingly recognize principles of responsible QT. However, more widespread dissemination is needed, and as QT matures, so must responsible QT. This paper provides ", "published_at": "2026-09-03" }, { "openalex_id": "https://openalex.org/W7207704894", "doi": "https://doi.org/10.3389/fcomp.2026.1879448", "arxiv_id": "", "title": "Hybrid VQA architectures for cloud-based quantum platforms: maximizing computational utility", "type": "article", "venue": "Frontiers in Computer Science", "authors": [ "Akshay Joseph", "Radhakrishnan Delhibabu" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "Introduction Hybrid Variational Quantum Algorithms (VQAs) present a highly viable pathway to near-term quantum utility; however, their performance is fundamentally bottlenecked by classical-quantum communication latency in Quantumas-a-Service (QaaS) environments. Methods This paper proposes an optimized classical-quantum orchestration architecture designed to minimize cloud-induced latency and maximize Quantum Processing Unit (QPU) active compute time. By implementing edge-colocated classical optimizers alongside batched parameter-shift gradient evaluations, the system circumvents stateless cloud API barriers. Results Benchmarking across parameterized quantum circuits ranging from 15 to 50 qubits demonstrates an 84% reduction in network-induced QPU idle time. The framework yields a 3.2 × s", "published_at": "2026-09-03" }, { "openalex_id": "https://openalex.org/W7207870920", "doi": "https://doi.org/10.26434/chemrxiv.15008242/v1", "arxiv_id": "", "title": "Simulating Chemical Reaction Dynamics Using Sample Based Quantum Diagonalization: A Quantum-Centric Supercomputing Approach", "type": "preprint", "venue": "ChemRxiv", "authors": [ "Sumit Kumar", "Kalpak Ghosh", "Deepak Deepak", "Sharma S. R. K. C. Yamijala" ], "india_affiliations": [ "Indian Institute of Technology Madras" ], "abstract": "Quantum computers offer the potential to simulate chemical systems beyond the capabilities of classical computers. However, current quantum-computing approaches to ab initio molecular dynamics (AIMD) and vibrational analysis largely rely on the Variational Quantum Eigensolver (VQE), whose circuit depth, iterative optimization, and measurement overhead hinder the practical simulation of molecular systems. Here, we extend Sample-based Quantum Diagonalization (SQD), a quantum-sampling-based electronic-structure method, to AIMD and vibrational analysis on noisy quantum hardware. The resulting framework enables nuclear forces and Hessians to be derived from quantum-computed electronic energies, facilitating molecular dynamics and characterization of potential-energy surfaces. We demonstrate the", "published_at": "2026-09-03" }, { "openalex_id": "https://openalex.org/W7207767570", "doi": "https://doi.org/10.3389/fcomp.2026.1879744", "arxiv_id": "", "title": "The intersection of post-quantum cryptography and QaaS: architecting quantum-safe cloud infrastructures", "type": "article", "venue": "Frontiers in Computer Science", "authors": [ "Akshay Joseph", "Radhakrishnan Delhibabu" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "Introduction By 2030, an estimated 40% of current cloud infrastructures may be rendered vulnerable by cryptanalytically relevant quantum computers (CRQCs). Methods This paper introduces a 4-tier security framework tailored for Quantumas-a-Service (QaaS) deployments, focusing on securing data-in-transit. Integrating 3 NIST-standardized post-quantum algorithms (ML-KEM, ML-DSA, and SLHDSA), our architecture mitigates interception threats based on Shor's algorithm. Results Emulation across an enterprise cloud topology demonstrates a maximum latency overhead of 17.7 milliseconds per TLS handshake under high-latency WAN conditions, ensuring high-availability operations without catastrophic fragmentation failure. Discussion The proposed model demonstrates the viability of modern latticebased cryp", "published_at": "2026-09-03" }, { "openalex_id": "https://openalex.org/W7206176096", "doi": "https://doi.org/10.4018/979-8-2600-0848-5.ch006", "arxiv_id": "", "title": "A Framework for Hybrid Quantum-Classical Supply-Chain Optimization (HQCSCO)", "type": "book-chapter", "venue": "Advances in computational intelligence and robotics book series", "authors": [ "Yogesh Mehta", "Durgesh Nandan", "Chandan Maheshkar" ], "india_affiliations": [ "Shree Guru Gobind Singh Tricentenary University", "National Institute of Technology Warangal" ], "abstract": "The study presents the earliest effort to conceptualize SCM integration with quantum computing principles, providing dynamic capabilities for SCM. It proposes a unique interdisciplinary framework that demonstrates where hybrid quantum-classical approaches can realise value, and specifies the conditions that organizations must meet to adopt such methods. In this article, a conceptual framework has been proposed for HQCSCO. This framework facilitates key decision-making areas such as inventory optimisation, production scheduling, and logistics routing, where quantum-enhanced algorithms could supplement classical models to enhance performance. At the managerial level, the framework helps manufacturing leaders to determine viability, prioritize high-impact use cases, and develop future-ready d", "published_at": "2026-09-02" }, { "openalex_id": "https://openalex.org/W7206157094", "doi": "https://doi.org/10.1088/1361-6404/aea1a9", "arxiv_id": "", "title": "A quantum opto-mechanical approach to frustrated total internal reflection and Goos–Hänchen shift for s -polarised light", "type": "article", "venue": "European Journal of Physics", "authors": [ "Soumik Biswas", "Kolahal Bhattacharya" ], "india_affiliations": [ "Indian Institute of Science Education and Research Berhampur", "St Xavier’s College" ], "abstract": "Abstract In this article, we work with an optical-mechanical analogy model that exploits the analogy between wave mechanics in quantum theory and the scalar wave treatment of optics. We discuss the application of this model to the evanescent waves and the frustrated total internal reflection of light. Further, we demonstrate that this model can also be used to derive the Goos–Hänchen shift for s -polarised light. This work provides the advanced undergraduate students and instructors of optics and quantum mechanics courses with a platform, where they can apply the methods of the quantum theory to optics, which is not discussed in depth in the standard texts.", "published_at": "2026-09-02" }, { "openalex_id": "https://openalex.org/W7208788852", "doi": "https://doi.org/10.70917/ijcisim-2026-5424", "arxiv_id": "", "title": "A Resource-Aware Hybrid Quantum-Classical Framework for Network Intrusion Detection with Selective Quantum Processing", "type": "article", "venue": "International Journal of Computer Information Systems and Industrial Management Applications", "authors": [ "Rahul R. Bhoge", "R. R. Keole", "Pravin Karde" ], "india_affiliations": [ "Sant Gadge Baba Amravati University", "Government Vidarbha Institute of Science and Humanities" ], "abstract": "Quantum machine learning (QML) is increasingly investigated for network intrusion detection, but the practical value of current quantum models remains uncertain because many studies rely on small simulated data sets, idealized execution, weak classical baselines, or isolated accuracy comparisons. This study develops and evaluates a resource-aware hybrid quantum-classical intrusion detection framework that combines fixed fidelity quantum kernels, repaired Quantum Kernel Alignment (QKA), a Variational Quantum Classifier (VQC), LightGBM, prototype-based kernel reduction, and probabilistic stacking. Experiments use the UNSW-NB15 benchmark under a leakage-aware preprocessing protocol and repeated evaluation across five random seeds. The experimental program covers 4- and 6-qubit representations", "published_at": "2026-09-02" }, { "openalex_id": "https://openalex.org/W7204994686", "doi": "https://doi.org/10.3389/frai.2026.1902018", "arxiv_id": "", "title": "Evaluating hybrid quantum–classical learning for financial forecasting: a comparative study with classical machine learning models on BSE indices", "type": "article", "venue": "Frontiers in Artificial Intelligence", "authors": [ "Rashmi Nair", "Pankaj Chandre", "Shahin Makubhai", "Bhagyashree Shendkar", "Disha Deotale", "Vijaya Patil" ], "india_affiliations": [ "MIT Art, Design and Technology University" ], "abstract": "The forecasting of financial time series has gained more significance in decision making within a dynamic economic setting. Over the last few years, there has been a push in exploring both classical machine learning methods and novel quantum machine learning models with a view to enhance predictive accuracy. This paper suggests a quantum-classical regression framework developed that combines the feature selection in the form of a Random Forest in a hybrid approach, dimensionality reduction in the mode of Principal Component Analysis (PCA), and predicting in the form of a Variational Quantum Circuit (VQC). It is tested in various financial indicators, as BSE ESG, Carbon Exchange, Energy, Green Exchange, Oil and Gas and Power, with the help of RMSE and R 2 as the measure of performance. As e", "published_at": "2026-09-02" }, { "openalex_id": "https://openalex.org/W7204997499", "doi": "https://doi.org/10.1016/j.physleta.2026.132138", "arxiv_id": "", "title": "Measurement-induced nonlocality via quantum Jensen-Shannon divergence", "type": "article", "venue": "Physics Letters A", "authors": [ "T. Geerthana", "R. Muthuganesan" ], "india_affiliations": [ "SRM Institute of Science and Technology" ], "abstract": "", "published_at": "2026-09-02" }, { "openalex_id": "https://openalex.org/W7204930399", "doi": "https://doi.org/10.1016/j.vlsi.2026.102861", "arxiv_id": "", "title": "A quantum arithmetic logic unit design flow in IBM Qiskit with Clifford+T mapping for emerging VLSI systems", "type": "article", "venue": "Integration", "authors": [ "Neeraj Kumar Misra", "Nirupma Pathak", "Seyed‐Sajad Ahmadpour", "Mojtaba Noorallahzadeh" ], "india_affiliations": [ "SRM University", "Koneru Lakshmaiah Education Foundation" ], "abstract": "", "published_at": "2026-09-01" }, { "openalex_id": "https://openalex.org/W7204998106", "doi": "https://doi.org/10.26434/chemrxiv.15008185/v1", "arxiv_id": "", "title": "A quantum eigensolver framework for assessing solvent effects of an SN2 reaction", "type": "preprint", "venue": "ChemRxiv", "authors": [ "Madhava S. Niraghatam", "Shubham D. Yadav", "Sumanta K. Ghosh" ], "india_affiliations": [ "Visvesvaraya National Institute of Technology" ], "abstract": "We present a hybrid quantum-classical framework for molecular simulations that combines the variational quantum eigensolver (VQE) with projection-based embedding (PBE) and an implicit solvation treatment. Solvent effects are incorporated through the solvation model based on density (SMD), enabling the investigation of chemically relevant processes in condensed phase environments within a quantum computing workflow. The embedding strategy partitions the molecular system into active and environment subsystems, allowing correlated quantum simulations of the chemically important subsystem while retaining an efficient classical description of the surroundings. As a representative application, we compute the potential energy surface of a bimolecular nucleophilic substitution (SN2) reaction betwe", "published_at": "2026-09-01" }, { "openalex_id": "https://openalex.org/W7204916875", "doi": "https://doi.org/10.1016/j.physb.2026.419255", "arxiv_id": "", "title": "Accelerating materials discovery for room-temperature qubits via Generative Quantum Machine Learning", "type": "article", "venue": "Physica B Condensed Matter", "authors": [ "Radhakrishnan Delhibabu" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "", "published_at": "2026-09-01" }, { "openalex_id": "https://openalex.org/W7204963742", "doi": "https://doi.org/10.1002/qute.70402", "arxiv_id": "", "title": "Analysis of Noisy Environments on D‐Dimensional Quantum Secret Sharing", "type": "article", "venue": "Advanced Quantum Technologies", "authors": [ "Nancy Mittal", "Deepa Rathi", "Sanjeev Kumar" ], "india_affiliations": [ "Indian Institute of Technology Roorkee", "Central University of Jammu" ], "abstract": "ABSTRACT Quantum secret sharing is a fundamental protocol for securely transmitting quantum as well as classical information. However, in practical quantum communication scenarios, the transmission of quantum information is inevitably influenced by environmental noise. Therefore, in this work, we analyze the robustness of multi‐dimensional quantum secret sharing schemes under four different noise models, namely amplitude damping (ad), depolarizing (d), dit flip (df), and phase flip (dpf). Each model captures a distinct type of quantum disturbance, providing insights into how different noise models affect the fidelity of secret reconstruction. In addition to state‐specific fidelity, we also evaluate the average fidelity over arbitrary pure qutrit secret states using the Haar, equivalently F", "published_at": "2026-09-01" }, { "openalex_id": "https://openalex.org/W7213452201", "doi": "https://doi.org/10.1002/qute.70461", "arxiv_id": "", "title": "Classical‐to‐Quantum Transfer of Geometric Phase for Controlled Manipulation of Quantum State", "type": "article", "venue": "Advanced Quantum Technologies", "authors": [ "Vimlesh Kumar", "Chahat Kaushik", "M. Ebrahim-Zadeh", "C. M. Chandrashekar", "G. K. Samanta" ], "india_affiliations": [ "Physical Research Laboratory", "Indian Institute of Technology Gandhinagar" ], "abstract": "ABSTRACT The geometric phase, arising from the cyclic/non‐cyclic evolution of a polarization state of light, is typically measured using interferometric methods that often introduce unwanted dynamic phase contributions. Here, we present a phase measurement technique based on the quantum correlation of pair photons to measure the geometric phase of a classical beam without any dynamic phase contribution. The transfer of the geometric phase of the classical pump beam onto polarization‐entangled pair photons generated via spontaneous parametric down‐conversion in a Sagnac interferometer scheme enables easy control over the quantum state. Characterization of the quantum states reveals that the geometric phase of the pump beam controls the coincidence counts, entanglement visibility, Bell's par", "published_at": "2026-09-01" }, { "openalex_id": "https://openalex.org/W7124149566", "doi": "https://doi.org/10.1063/10.0044783", "arxiv_id": "", "title": "From classical to quantum reinforcement learning and its applications in quantum control: A beginner’s tutorial", "type": "article", "venue": "Low Temperature Physics", "authors": [ "Abhijit Sen", "Sonali Panda", "Mahima Arya", "Subhajit Patra", "Zizhan Zheng", "Denys I. Bondar" ], "india_affiliations": [ "Indian Institute of Technology Dhanbad", "Indian Institute of Technology Delhi" ], "abstract": "This tutorial is designed to make reinforcement learning (RL) more accessible to undergraduate students and researchers by offering clear, example-driven explanations. It focuses on bridging the gap between RL theory and practical coding, addressing common challenges that one faces when transitioning from conceptual understanding to implementation. Through hands-on examples and approachable explanations, the tutorial aims to equip the reader with the foundational skills needed to confidently apply RL techniques in real-world scenarios. Code Availability: https://github.com/asen009/Reinforcement_Tutorial_Undergraduates", "published_at": "2026-09-01" }, { "openalex_id": "https://openalex.org/W7204961396", "doi": "https://doi.org/10.1016/j.chaos.2026.119035", "arxiv_id": "", "title": "Physics-informed quantum multi-task neural networks for Hamiltonian optimal control", "type": "article", "venue": "Chaos Solitons & Fractals", "authors": [ "S. Vijayaram", "P. Balasubramaniam" ], "india_affiliations": [ "Gandhigram Rural Institute" ], "abstract": "", "published_at": "2026-09-01" }, { "openalex_id": "https://openalex.org/W7204873873", "doi": "https://doi.org/10.5281/zenodo.22229964", "arxiv_id": "", "title": "The Mahapatra-Kronecker-Hermite MKH Algorithm: A Deductive Linear Algebra from First Principles", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Dillip Kumar Mahapatra" ], "india_affiliations": [ "KLE Academy of Higher Education and Research" ], "abstract": "The Mahapatra-Kronecker-Hermitian (MKH) Algorithm is derived from first principles—withoutassuming a Hermitian matrix, without importing external constants, and without relyingon quantum phase estimation.The algorithm begins with the Majorana Conjugate Zero x = −x = 0, derives theimaginary unit i from the entanglement of natural numbers N and −N, and forces theprimordial invariant ∆ = 4 ln 99 through the Dalvi Dictact.The quadratic regulator Q(x) = (x − 99)(396 − x) constructs the finite lattice Z396,from which the Hilbert space H396 = L2(Z396) ⊗ C2is formed. The Kronecker OperatorK = D + 99 · I is the Hermitian matrix—derived exactly, not assumed. Its eigenvaluesλn = 99 + γn are real and positive, and all trajectories terminate in at most 7 steps.The Mahapatra Identity ei·e∆/22√2 Sbounded", "published_at": "2026-09-01" }, { "openalex_id": "https://openalex.org/W7204845001", "doi": "https://doi.org/10.17559/tv-20250915002992", "arxiv_id": "", "title": "Efficient XOR Gate Design in Quantum-Dot Cellular Automata for Gray Code Communication and Vedic Multiplication", "type": "article", "venue": "Tehnicki vjesnik - Technical Gazette", "authors": [ "V. Bhuvaneswari", "S. Yuvaraj" ], "india_affiliations": [ "SRM Institute of Science and Technology" ], "abstract": "The continuous scaling limitations of semiconductor technology based on Complementary Metal-Oxide-Semiconductors (CMOS) have motivated the search for alternative nanotechnologies capable of delivering higher performance with lower power consumption. Quantum-dot Cellular Automata (QCA) has emerged as a promising paradigm, offering extremely low power dissipation, nanoscale device density, and high switching speeds. This paper introduces a novel design of XOR gates in QCA, developed using the principle of reduced distance-based cell connections to minimize area and latency. The proposed architecture eliminates wire crossovers and enhances layout efficiency, thereby improving manufacturability and robustness. Additionally, Gray code communication and Vedic multiplication modules are designed ", "published_at": "2026-08-31" }, { "openalex_id": "https://openalex.org/W7204811297", "doi": "https://doi.org/10.5281/zenodo.22213105", "arxiv_id": "", "title": "Information Capacity of Anyonic Excitations in Fractional Quantum Hall Systems", "type": "article", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Satish Prajapati" ], "india_affiliations": [ "Central Glass and Ceramic Research Institute" ], "abstract": "DATA", "published_at": "2026-08-31" }, { "openalex_id": "https://openalex.org/W7204753883", "doi": "https://doi.org/10.48550/arxiv.2609.00235", "arxiv_id": "", "title": "Optimization Landscape Geometry in VQE for Frustrated Quantum Spin Models", "type": "preprint", "venue": "arXiv (Cornell University)", "authors": [ "Vojtěch Novák", "Ivan Zelinka", "Swagatam Das", "Martin Beseda" ], "india_affiliations": [ "Indian Statistical Institute" ], "abstract": "We benchmark eight classical optimizers for exact-statevector VQE calculations on a controlled hierarchy of frustrated spin models, ranging from a diagonal Ising glass to transverse-field Ising and anisotropic Heisenberg models. The benchmark includes local, stochastic-gradient, evolutionary, covariance-adaptation, and swarm-based optimization methods under matched function-evaluation budgets. To understand their performance beyond final energies, we characterize the underlying Hamiltonian--ansatz landscapes in terms of local minima, gradients, curvature, and ground-state reachability. We use simple variational circuits, from an $R_y$ product-state ansatz for the diagonal model to shallow $R_y$--CNOT hardware-efficient circuits for the noncommuting models, and study how increasing circuit ", "published_at": "2026-08-31" }, { "openalex_id": "https://openalex.org/W7204762221", "doi": "https://doi.org/10.1007/s40998-026-01215-y", "arxiv_id": "", "title": "QCST - Quantum Cryptography- Enabled Security Network for Trust-Aware and Attack-Resilient IoT Communication", "type": "article", "venue": "Iranian Journal of Science and Technology Transactions of Electrical Engineering", "authors": [ "I. Mettildha Mary", "Karuppasamy K.", "M. Priyadharsini", "B. Mohankumar" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "", "published_at": "2026-08-31" }, { "openalex_id": "https://openalex.org/W7204239036", "doi": "https://doi.org/10.5281/zenodo.22110080", "arxiv_id": "", "title": "A Candidate Relational Master-Matrix Extension of Generalized Trace Dynamics: Stable Collective Textures, a Finite Measure Obstruction, and the Causal-Fermion-Systems Comparison", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Tejinder P. Singh" ], "india_affiliations": [ "Tata Institute of Fundamental Research" ], "abstract": "v2 corrects the target-sector citation, distinguishes the generalmaster extension from the constrained Project-I localization extension,updates the programme roadmap, and supplies complete source and reproducibleverification material. No finite theorem or numerical result is changed. ----------- Generalized trace dynamics (GTD) assigns a quadratic trace action to eachatom of spacetime--matter (STM atom), while the action of the universe iswritten as a sum over atoms. This additive form has been useful in thestatistical emergence of quantum theory and in the octonionic$E_8\\times\\omega E_8$ unification programme, but it leaves a basic dynamicalquestion unresolved: what correlates initially distinct STM atoms beforespacetime and ordinary field mediation exist? A recent comparison withcausal f", "published_at": "2026-08-30" }, { "openalex_id": "https://openalex.org/W7205013519", "doi": "https://doi.org/10.22247/ijcna/2026/39", "arxiv_id": "", "title": "A Quantum-Entropy-Based AES Framework for Energy-Efficient and Post-Quantum Secure IoT Wireless Sensor Networks", "type": "article", "venue": "International Journal of Computer Networks And Applications", "authors": [ "Mohammad Sirajuddin", "Ravikumar Thallapalli", "Dr.Burla Srinivas", "Boddupalli Anvesh Kumar" ], "india_affiliations": [ "Institute of Chartered Financial Analysts of India", "Indian Institute of Technology Hyderabad", "Birla Institute of Technology and Science - Hyderabad Campus" ], "abstract": "The rapid development of Internet of Things (IoT) applications has led to the large-scale deployment of wireless sensor networks (WSNs) that incessantly generate and transmit sensitive data over wireless networks.Although the current mostly used symmetric encryption algorithm for securing such networks is the Advanced Encryption Standard (AES), the advent of quantum computing threatens the long-term security of AES, as well as the weaknesses inherent to the key generation, distribution, and lifecycle management.This research paper proposes a Quantum Enhanced AES framework for IoT based WSNs which integrates the use of Quantum Random Number Generator (QRNG) based high entropy key generation, key injection against side channel attacks and dynamic session-based rekeying.Compared with classica", "published_at": "2026-08-30" }, { "openalex_id": "https://openalex.org/W7204724331", "doi": "https://doi.org/10.5281/zenodo.22178585", "arxiv_id": "", "title": "schmiereck/hex_field_map: Relativistic Quantum Mechanics from Lattice Geometry: Emergent Speed of Light, Mass, and Time Dilation on an Equilateral Triangular Lattice", "type": "article", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Claude", "schmiereck" ], "india_affiliations": [ "Anthropological Survey of India" ], "abstract": "Abstract: This work investigates the emergence of relativistic quantum mechanics from fundamental geometric principles on a discrete equilateral triangular lattice. By formulating a discrete path integral framework, we demonstrate how continuous relativistic phenomena—specifically a strictly bounded emergent speed of light (c), inertial mass generation, and kinematic time dilation—arise directly from the lattice geometry and transition probabilities without assuming continuous spacetime or Lorentz symmetry a priori. Key Highlights & Findings: * Discrete Path Integral Formulation: Extension of lattice path summation to an equilateral triangular topology with 6-fold rotational symmetry. * Emergent Invariant Speed: Natural upper bound on propagation velocity defined by discrete step intervals", "published_at": "2026-08-30" }, { "openalex_id": "https://openalex.org/W7204646625", "doi": "https://doi.org/10.1007/s40509-026-00411-z", "arxiv_id": "", "title": "Observer-indexed records in multi-agent quantum theory: a context-presheaf formalisation of the Frauchiger–Renner protocol", "type": "article", "venue": "Quantum Studies Mathematics and Foundations", "authors": [ "Zefree Lazarus Mayaluri" ], "india_affiliations": [ "Vivekananda Global University" ], "abstract": "", "published_at": "2026-08-29" }, { "openalex_id": "https://openalex.org/W7204750577", "doi": "https://doi.org/10.48550/arxiv.2608.28535", "arxiv_id": "", "title": "Hardware-Efficient Error Mitigation and Shot-Efficient Sampling on IBM Quantum Hardware", "type": "preprint", "venue": "arXiv (Cornell University)", "authors": [ "Sumit Chongder" ], "india_affiliations": [ "Indian Institute of Technology Jodhpur" ], "abstract": "We experimentally study error mitigation and finite-shot sampling on superconducting quantum hardware under a constrained execution budget. The study combines calibration-aware qubit selection, circuit-depth scaling, zero-noise extrapolation, dynamical decoupling, readout-error mitigation, and repeated-shot estimation on an IBM Quantum processor. Experiments are organized across ideal simulation, noise-model simulation, and physical-device execution to separate sampling uncertainty from device-induced error. We investigate how mitigation performance changes with circuit depth, effective noise scale, qubit connectivity, and measurement budget, and quantify accuracy using expectation-value error, mean-squared error, statistical uncertainty, and mitigation gain. A fixed hardware-execution bud", "published_at": "2026-08-28" }, { "openalex_id": "https://openalex.org/W7204443917", "doi": "https://doi.org/10.33774/coe-2026-dhdct", "arxiv_id": "", "title": "A Systematic Derivation of the Relativistic Dirac Wave Equation from Spacetime Operators and Commutation Principles", "type": "preprint", "venue": "", "authors": [ "Chinnaraji Annamalai" ], "india_affiliations": [ "Indian Institute of Technology Kharagpur" ], "abstract": "This paper provides a rigorous mathematical derivation of Paul Dirac’s relativistic wave equation, tracing its theoretical evolution from fundamental spacetime differential operators to manifestly covariant quantum mechanical expressions. Beginning with the four-gradient operator in Minkowski space, it examines the foundational non-relativistic Schrödinger mechanics, highlighting the geometric and physical limitations of the second-order Klein-Gordon theory. It demonstrates how Dirac’s first-order Hamiltonian ansatz overcomes negative probability density issues through matrix-valued coefficients. By detailing the explicit 4 x 4 matrix representations, commutation constraints, and Clifford algebra structure satisfied by the Dirac gamma matrices, it showcases the complete transition from non", "published_at": "2026-08-27" }, { "openalex_id": "https://openalex.org/W7204460375", "doi": "https://doi.org/10.3389/fcomp.2026.1874869", "arxiv_id": "", "title": "Beyond encryption: post-quantum cryptography and the future of quantum-safe networks", "type": "article", "venue": "Frontiers in Computer Science", "authors": [ "Radhakrishnan Delhibabu" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "Introduction The rapid advancement of quantum computing presents an existential threat to the mathematical foundations of modern internet security. Fault-tolerant quantum computers are projected to reach the logical qubit scale necessary to execute Shor's algorithm by 2030–2035, threatening currently deployed public-key cryptography infrastructures. Methods We evaluate the performance metrics of integrating post-quantum cryptography (PQC), specifically the newly finalized NIST standards (FIPS 203, 204, and 205), with quantum key distribution (QKD) across communication networks. Results Our analysis demonstrates that while hybrid PQC-QKD models reduce long-term key compromise probabilities to near 0%, they introduce a 15% to 40% increase in bandwidth overhead during initial cryptographic ha", "published_at": "2026-08-27" }, { "openalex_id": "https://openalex.org/W7204439917", "doi": "https://doi.org/10.3389/fcomp.2026.1879944", "arxiv_id": "", "title": "Decentralized quantum intelligence: pioneering cross-silo quantum federated learning protocols", "type": "article", "venue": "Frontiers in Computer Science", "authors": [ "Radhakrishnan Delhibabu" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "Introduction This paper introduces a novel Cross-Silo Quantum Federated Learning (CS-QFL) protocol designed for secure, decentralized intelligence across multiple institutional nodes. Methods By leveraging quantum homomorphic encryption and variational quantum circuits (VQCs), our framework enables collaborative model training without compromising localized data privacy. We evaluated the protocol across a simulated network of 5 independent institutional silos. Results Results demonstrate that CS-QFL achieves a global model classification accuracy of 94.2% on distributed quantum state datasets, matching centralized baselines within a 1.5% margin. Furthermore, the protocol reduces communication overhead by 38% compared to classical federated learning counterparts by transmitting highly compr", "published_at": "2026-08-27" }, { "openalex_id": "https://openalex.org/W4416258259", "doi": "https://doi.org/10.1007/s11128-026-05326-7", "arxiv_id": "", "title": "Lightweight targeted estimation of layout noise in a quantum computer using quality indicator circuits", "type": "article", "venue": "Quantum Information Processing", "authors": [ "Shikhar Srivastava", "Ritajit Majumdar", "Padmanabha Venkatagiri Seshadri", "Anupama Ray", "Yogesh Simmhan" ], "india_affiliations": [ "Indian Institute of Science Bangalore", "IBM (India)" ], "abstract": "", "published_at": "2026-08-27" }, { "openalex_id": "https://openalex.org/W7204466102", "doi": "https://doi.org/10.3389/fcomp.2026.1879630", "arxiv_id": "", "title": "Quantum generative AI foundation models: integrating VQAs with fault-tolerant error correction", "type": "article", "venue": "Frontiers in Computer Science", "authors": [ "Radhakrishnan Delhibabu" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "Introduction The exponential parameter scaling of classical transformer models confronts severe physical and economic barriers. To sustain generative AI capabilities, alternative computational paradigms must be explored. Methods This paper projects the architecture and scaling laws of Quantum Generative AI Foundation Models by integrating Variational Quantum Algorithms (VQAs) with Fault-Tolerant Quantum Error Correction (QEC). We propose a hybrid quantum-classical framework utilizing isometric Tree Tensor Networks (TTNs) and a novel Quantum Self-Attention (QSA) subroutine, capable of compressing the latent space of a classical 10 11 -parameter Large Language Model (LLM) into a 10 6 parameter quantum neural network via amplitude encoding. Result To circumvent Noise-Induced Barren Plateaus (", "published_at": "2026-08-27" }, { "openalex_id": "https://openalex.org/W7204451636", "doi": "https://doi.org/10.1038/s41598-026-68026-3", "arxiv_id": "", "title": "Quantum-assisted image enhancement using Grover-based parameter optimization", "type": "article", "venue": "Scientific Reports", "authors": [ "Aayushi Garg", "Christopher Clement J." ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "This paper presents a hybrid quantum-classical framework for image enhancement, where a Grover-inspired quantum circuit is utilized to adaptively select enhancement parameters. The proposed method operates in a pixel-wise manner and integrates quantum optimization with classical intensity transformation to achieve balanced contrast enhancement while preserving structural details. The performance of the method is evaluated on diverse image types, including color-rich (pepper), texture-dominant (cloth), and structural grayscale (boat) images, and compared with classical techniques such as Histogram Equalization (HE) and Contrast Limited Adaptive Histogram Equalization (CLAHE). Experimental results demonstrate that the proposed method consistently achieves superior structural preservation and", "published_at": "2026-08-27" }, { "openalex_id": "https://openalex.org/W7204250105", "doi": "https://doi.org/10.21203/rs.3.rs-10572455/v1", "arxiv_id": "", "title": "A Validated Measurement Protocol for Comparable, Cost-Aware Software Testing Evaluation: A Reproducible Benchmark, an Oracle Sampling-Budget Guarantee, and a Real-Fault Validity Study, Instantiated for Quantum Programs", "type": "preprint", "venue": "Research Square", "authors": [ "Bhanwar Gupta", "Sanjeev Rana" ], "india_affiliations": [ "Maharishi Markandeshwar University, Mullana" ], "abstract": "", "published_at": "2026-08-26" }, { "openalex_id": "https://openalex.org/W7204243500", "doi": "https://doi.org/10.1103/cwkf-ylmg", "arxiv_id": "", "title": "Cavity-controlled inhibition of decoherence in accelerated quantum detectors", "type": "article", "venue": "Physical Review A", "authors": [ "Anonymous", "Shagun Kaushal", "Kinjalk Lochan" ], "india_affiliations": [ "Indian Institute of Technology Madras", "Vellore Institute of Technology University", "Indian Institute of Science Education and Research Mohali" ], "abstract": "", "published_at": "2026-08-26" }, { "openalex_id": "https://openalex.org/W7204231860", "doi": "https://doi.org/10.5281/zenodo.22114122", "arxiv_id": "", "title": "Foundations of Trans-Planckian Horizon Lock Mechanics - Special Treatise: Semiclassical Spacetime Engineering, Core Formulation of the Welfare and Secure Time Travel Machine, and Absolute Anti-Weaponization Axioms via Advanced Wormhole Conduits", "type": "article", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Devendra Kumar Khandey" ], "india_affiliations": [ "Chhattisgarh Dental College & Research Institute" ], "abstract": "This treatise presents the formal mathematical physics and spacetime engineering blueprint for the construction of stable, traversable quantum-metric chronological loops utilizing the foundational infrastructure of Trans-Planckian Horizon Lock Mechanics (TPHLM), culminating in the operational framework of the Welfare and Secure Time Travel Machine. Enforcing the multi-loop stress-energy tensor invariants cancels out local vacuum divergence limits under the explicit metric lock vector of the Khandey Causal Invariant Constant (K_J = 2.02 x 10^26 m). Crucially, this operational configuration is formulated and constructed directly as a direct architectural extension of the author's ultra-advanced traversable wormhole engineering techniques, mapping the chronological paths through the stabilize", "published_at": "2026-08-26" }, { "openalex_id": "https://openalex.org/W7204221472", "doi": "https://doi.org/10.5281/zenodo.22114371", "arxiv_id": "", "title": "Foundations of Trans-Planckian Horizon Lock Mechanics -- Special Treatise: Quantum Teleportation Metrics, Instantaneous Intercontinental Transit Conduits, and Absolute Bio-Coherence Protection Axioms", "type": "article", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Devendra Kumar Khandey" ], "india_affiliations": [ "Chhattisgarh Dental College & Research Institute" ], "abstract": "This treatise delivers the formal mathematical physics formulation and metric engineering specifications for safe, macro-scale quantum teleportation and instantaneous global transit conduits. Utilizing the structural matrix of Trans-Planckian Horizon Lock Mechanics (TPHLM), we resolve the spatial decoherence crisis that traditionally causes informational decay during long-range macro-quantum reconstruction. The system is stabilized globally by the metric lock vector of the Khandey Causal Invariant Constant (\\(K_J = 2.02 \\times 10^{26}\\) m), mapping topological shortcut metrics through non-singular macro-entangled tunnels. CRITICAL SECURITY LOCK WARNING: This teleportation framework is hard-coded with absolute computational filter protocols. If any network node or external field entity atte", "published_at": "2026-08-26" }, { "openalex_id": "https://openalex.org/W7204233116", "doi": "https://doi.org/10.1080/08839514.2026.2684103", "arxiv_id": "", "title": "Predicting Cardiovascular Disease Using a Quantum Support Vector Machine", "type": "article", "venue": "Applied Artificial Intelligence", "authors": [ "Dontha Madhusudan Rao", "B. Venkata Sai Mahesh", "KMV Srikumar", "Chapati Tagore", "Sunil Kumar Singh", "Chandan Kumar" ], "india_affiliations": [ "Amrita Vishwa Vidyapeetham", "Manipal Academy of Higher Education" ], "abstract": "Cardiovascular disease (CVD) is the leading cause of global mortality, with over 19.8 million deaths recorded in 2022, underscoring the urgent necessity for precise early-stage computational diagnostic techniques. The traditional machine learning approaches tend to fail in the nonlinear feature interactions of high-dimensional clinical data. This paper provides a Quantum Support Vector Machine (QSVM) framework that uses a fidelity-based quantum kernel, calculated using PennyLane Lightning, and a qubit simulator to map patient data into a high-dimensional Hilbert space, enabling complex feature interactions that are unattainable with traditional kernels. The model was tested on a publicly available UCI-based heart disease dataset that included 1,025 patient records and 13 clinical features,", "published_at": "2026-08-26" }, { "openalex_id": "https://openalex.org/W7204173737", "doi": "https://doi.org/10.1098/rspa.2025.0841", "arxiv_id": "", "title": "Quantum steering based on partial state information", "type": "article", "venue": "Proceedings of the Royal Society A Mathematical Physical and Engineering Sciences", "authors": [ "S. Datta", "Archan S. Majumdar" ], "india_affiliations": [ "S.N. Bose National Centre for Basic Sciences" ], "abstract": "Abstract Exploiting partial knowledge of a qubit in terms of its basis-dependent measure of imaginarity, we formulate a steering criterion for bipartite qubit systems, which requires two dichotomic measurements at the untrusted side and two mutually unbiased bases at the trusted side. We show that quantum correlations embodied through our proposed imaginarity steering inequality (ISI) can be witnessed by suitably constructed Hermitian operators that depend on fewer state parameters and require measurement of fewer observables than for witnessing other forms of quantum non-local correlations. The monogamy of such correlations is also demonstrated. We further underscore the steering of imaginarity as an efficient non-local resource in the presence of white noise and under unsharp measurement", "published_at": "2026-08-26" }, { "openalex_id": "https://openalex.org/W7202202604", "doi": "https://doi.org/10.5281/zenodo.21890132", "arxiv_id": "", "title": "Can extra timelike dimensions make quantum collapse causally connected? An interface selected carrier-cone, a conditional AdS road, and a gravi--weak research programme", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Tejinder P. Singh" ], "india_affiliations": [ "Tata Institute of Fundamental Research" ], "abstract": "Bell correlations violate local-causality factorisation; adding dimensions does not repeal Bell's theorem. We ask the narrower question whether a directed state update, spacelike in the observed four-dimensional leaf, can have retarded support in a larger gravi--weak structure. In the displayed flat $(3,3)$ metric there is no geodesic shortcut, and the proposed arc-length clock gives a delay at least $d/c$. Smooth finite-depth warping does not produce a baseline-independent ceiling, while an overall conformal rescaling leaves null optical distances unchanged. The signature obstruction can nevertheless be sharpened. A constrained Cartan field $C$ correctly breaks $SO_0(3,3)$ to $SO(3)\\times SO(3)$ and gives a positive full-rank internal mass matrix to the nine coset directions; the radial n", "published_at": "2026-08-25" }, { "openalex_id": "https://openalex.org/W7204173786", "doi": "https://doi.org/10.1103/xvyj-hc3j", "arxiv_id": "", "title": "Entanglement in a driven two-qubit system coupled to a common cavity", "type": "article", "venue": "Physical Review A", "authors": [ "Anonymous" ], "india_affiliations": [ "Bankura University" ], "abstract": "", "published_at": "2026-08-25" }, { "openalex_id": "https://openalex.org/W7204206888", "doi": "https://doi.org/10.21203/rs.3.rs-10128153/v1", "arxiv_id": "", "title": "Multi-FPGA Quantum Circuit Simulation: ADistributed Statevector Architecture on FourXilinx Alveo U55C Accelerators", "type": "preprint", "venue": "Research Square", "authors": [ "Nasir Ali Nasir Ali" ], "india_affiliations": [ "Centre for Development of Advanced Computing" ], "abstract": "", "published_at": "2026-08-25" }, { "openalex_id": "https://openalex.org/W7204198931", "doi": "https://doi.org/10.1088/1402-4896/ae9e98", "arxiv_id": "", "title": "Virtual temperatures, passivity, and performance bounds on quantum thermal machines", "type": "article", "venue": "Physica Scripta", "authors": [ "Sachin Sonkar", "Ramandeep S. Johal" ], "india_affiliations": [ "Indian Institute of Science Education and Research Mohali" ], "abstract": "Abstract We analyze the role of virtual temperatures in passive quantum states using majorization theory. A weighted mean virtual temperature is defined and used to compare the passive states resulting from isoenergetic and isoentropic transformations. We apply the majorization based criterion for the direction of heat flow in a quantum Otto engine, and derive a spectrum-dependent upper bound on the Otto efficiency. The upper bound which can also be related to the min-max virtual temperatures of the passive states, is illustrated for an interacting spin working medium. Thus, virtual temperatures serve as a unifying framework connecting passivity, majorization, and the optimal performance of quantum thermal machines.", "published_at": "2026-08-25" }, { "openalex_id": "https://openalex.org/W7204099846", "doi": "https://doi.org/10.1007/s44464-026-00036-6", "arxiv_id": "", "title": "Explicit attacks on differential phase shift quantum key distribution", "type": "book-chapter", "venue": "Discover Quantum Science", "authors": [ "Valliamai Ramanathan", "Anil Prabhakar", "Prabha Mandayam" ], "india_affiliations": [ "Indian Institute of Technology Madras" ], "abstract": "In the well-established framework of quantum key distribution (QKD), differential phase shift (DPS) protocols have known information-theoretic security bounds defining tolerable error rates under optimal adversaries. In this work, we revisit the security of 3- and $$n$$ -pulse DPS QKD by explicitly analyzing two specific, physically implementable individual attacks: minimum error discrimination (MED) and quantum cloning. Using semidefinite programming, we characterize these attacks in detail and quantify their induced quantum bit error rates (QBER) and resulting secure key rates under realistic system assumptions. The critical QBER thresholds for these attacks are approximately 20%, significantly higher than the theoretical lower bounds of 6% for individual and 4% for coherent attacks, ind", "published_at": "2026-08-24" }, { "openalex_id": "https://openalex.org/W7171982996", "doi": "https://doi.org/10.21203/rs.3.rs-10587821/v1", "arxiv_id": "", "title": "Exponential Advantage of Multipartite Entanglement over Quantum Communication with Applications to Bounded-Storage Cryptography", "type": "preprint", "venue": "Research Square", "authors": [ "Ananya Chakraborty", "Manik Banik", "Ronald de Wolf" ], "india_affiliations": [ "S.N. Bose National Centre for Basic Sciences" ], "abstract": "", "published_at": "2026-08-24" }, { "openalex_id": "https://openalex.org/W7204088448", "doi": "https://doi.org/10.3389/fphy.2026.1916832", "arxiv_id": "", "title": "Optimal dissipative pathways in open quantum systems: a variational framework for environmental heat dissipation minimization", "type": "article", "venue": "Frontiers in Physics", "authors": [ "Sonet Daniel Thomas", "Aparna Rajan", "Naveen Joy", "Lijin Varghese", "Aswathi Balakrishnan", "Ivin Shajan", "Muhammed Shahul", "Suhail Subair", "Somasundaram R", "Neena Xavier", "Amogh V. Itagi", "Rajesh Raju" ], "india_affiliations": [ "Yenepoya University", "Birla Institute of Technology and Science, Pilani", "Indian Institute of Science Bangalore", "Indian Institute of Information Technology Allahabad" ], "abstract": "Optimal control in open quantum systems is considered, with a focus on a two-level logical qubit system whose time evolution is governed by Markovian dynamics described within the Lindblad (GKSL) formalism. The objective is to minimize the net heat transferred to the environment during the transition while explicitly accounting for the work performed by the external control field. In this context, we formulate a variational optimal control framework for minimizing dissipated heat under fidelity constraints, which establishes existence under standard assumptions of bounded controls and lower semi-continuity of at least one bounded control that minimizes the environmental heat dissipation functional while maintaining the final-state fidelity above a designated threshold. The analysis combine", "published_at": "2026-08-24" }, { "openalex_id": "https://openalex.org/W7204208595", "doi": "https://doi.org/10.1002/cpe.70923", "arxiv_id": "", "title": "TF ‐ LB ‐ CLPAS : Trapdoor‐Free Lattice‐Based Certificateless Public Auditing Scheme for Cloud‐Assisted IoT", "type": "article", "venue": "Concurrency and Computation Practice and Experience", "authors": [ "Renuka Cheeturi", "Syam Kumar Pasupuleti", "Rashmi Ranjan Rout" ], "india_affiliations": [ "National Institute of Technology Warangal", "Institute for Development and Research in Banking Technology" ], "abstract": "ABSTRACT Cloud‐assisted IoT systems increasingly rely on certificateless public auditing (CLPA) mechanisms to ensure the integrity of outsourced data stored in the cloud while avoiding certificate management and key escrow issues. However, most existing CLPA schemes are built on conventional cryptographic assumptions and are therefore vulnerable to quantum attacks. To resist quantum adversaries, several lattice‐based CLPA schemes (LB‐CLPAS) have been proposed. Nevertheless, these schemes typically rely on complex lattice trapdoor constructions and adopt integer or ideal lattices, resulting in high computational overhead and rendering them impractical for resource‐constrained IoT systems. To address these limitations, this paper proposes a trapdoor‐free lattice‐based certificateless public ", "published_at": "2026-08-24" }, { "openalex_id": "https://openalex.org/W7204048876", "doi": "https://doi.org/10.5281/zenodo.22066266", "arxiv_id": "", "title": "A Secure NLP Architecture using Quantum Resilient Public Key Cryptography", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Navketan Singh", "Gurnoor Kaur", "Nidhi Bhalla", "Janvi Thukral", "Amit Kumar Yadav" ], "india_affiliations": [ "Chandigarh University" ], "abstract": "This preprint presents a secure architecture for Natural Language Processing (NLP) that integrates post-quantum cryptography, lattice-based homomorphic encryption, and post-quantum digital signatures to protect sensitive data and maintain output integrity in cloud-based NLP systems. The proposed architecture consists of client-side encryption, an encrypted inference engine, and post-quantum output signing and verification. The framework uses Learning With Errors (LWE)-based cryptographic foundations, Fully Homomorphic Encryption (FHE), and CRYSTALS-Dilithium to provide long-term confidentiality, integrity, and authentication against quantum-capable adversaries. The architecture is evaluated using a simulated secure NLP pipeline with DistilBERT and the Sentiment140 dataset. The work demonst", "published_at": "2026-08-23" }, { "openalex_id": "https://openalex.org/W4416064221", "doi": "https://doi.org/10.1016/j.jocs.2026.103011", "arxiv_id": "", "title": "A quantum bagging algorithm with unsupervised base learners for label corrupted datasets", "type": "article", "venue": "Journal of Computational Science", "authors": [ "Neeshu Rathi", "Sanjeev Kumar" ], "india_affiliations": [ "Indian Institute of Technology Roorkee" ], "abstract": "", "published_at": "2026-08-22" }, { "openalex_id": "https://openalex.org/W7203999845", "doi": "https://doi.org/10.1007/s40009-026-02422-1", "arxiv_id": "", "title": "A Quantum-Centric Predictive Maintenance Framework with Iterative Learning for Industrial Systems: Quantum Encoding, Classification, and Adaptive RUL Estimation", "type": "article", "venue": "National Academy Science Letters", "authors": [ "Sohail M. Sheikh", "Paritosh Peshwe", "Bhukya Venkanna Naik" ], "india_affiliations": [ "Indian Institute of Information Technology, Nagpur" ], "abstract": "", "published_at": "2026-08-22" }, { "openalex_id": "https://openalex.org/W7203998559", "doi": "https://doi.org/10.30574/ijsra.2026.20.2.1663", "arxiv_id": "", "title": "QUANTUM TIME EVOLUTION OF A REPARAMETRIZATION INVARIANT SYSTEM", "type": "article", "venue": "International Journal of Science and Research Archive", "authors": [ "Mahendra Joshi" ], "india_affiliations": [ "Uttarakhand Government" ], "abstract": "In this paper we have discussed the problem of quantum time evolution for a reparametrized invariant system. The problem of time in quantum gravity is well known. This is due to the different nature of time in quantum mechanics and in general relativity. It mainly appears in the program of canonical quantization of general relativity. We will analyse this problem specifically for our proposed model and discuss the result for further study.", "published_at": "2026-08-22" }, { "openalex_id": "https://openalex.org/W7203937379", "doi": "https://doi.org/10.5281/zenodo.22043539", "arxiv_id": "", "title": "Can extra timelike dimensions make quantum collapse causally connected? An exact AdS road, carrier constructions, and a conditional gravi--weak interface completion", "type": "preprint", "venue": "Zenodo (CERN European Organization for Nuclear Research)", "authors": [ "Tejinder P. Singh" ], "india_affiliations": [ "Tata Institute of Fundamental Research" ], "abstract": "Bell correlations violate local-causality factorisation; adding dimensions does not repeal Bell's theorem. We ask the narrower question whether a directed state update, spacelike in the observed four-dimensional leaf, can have retarded support in a larger gravi--weak structure. Two obstructions are rigorous. In the displayed flat $(3,3)$ metric there is no brane shortcut, and the proposed arc-length calibration gives a delay at least $d/c$. Any finite-depth smooth warp with positive spatial factor retains a delay that grows without bound with detector separation; exponential warping changes linear growth only to logarithmic growth. An overall conformal rescaling also leaves null optical distances unchanged. There is nevertheless a definite curved alternative. Substitution of a global AdS$_", "published_at": "2026-08-21" }, { "openalex_id": "https://openalex.org/W7204006033", "doi": "https://doi.org/10.59543/jidmis.v3.2232", "arxiv_id": "", "title": "Design and Implementation of a High-Speed Quantum Reversible Pipelined Carry Select Adder", "type": "article", "venue": "Journal of Intelligent Decision Making and Information Science", "authors": [ "Padmaja Pydimarri" ], "india_affiliations": [ "Gokula Krishna College of Pharmacy" ], "abstract": "Optimizing the performance metrics for the efficient circuit designs is a primary challenge for the Hardware Synthesis. Conventional logic circuits are discarded for more information loss at computation process. This introduces a new approach for the quantum reversible carry select adder(CSLA) design which includes Haghpharast-Navi gate(HNG), Feynman double gate(F2G) , and Controlled operation gate(COG). This incorporates the reverse logic principles for regaining the actual inputs from outputs. This minimizes the energy loss with refined designs for standard Boolean tasks. The operational carry select adder developed for reversible logic over the pipelined architecture for reducing the delay. To optimize the delay over non-pipelined designs, the clocked pipelining registers are introduced", "published_at": "2026-08-21" }, { "openalex_id": "https://openalex.org/W7203881122", "doi": "https://doi.org/10.1021/jacs.6c08192", "arxiv_id": "", "title": "Instantaneous Detection of Quantum Coherences in 2D Electronic Spectroscopy with Bright Entangled Beams", "type": "article", "venue": "Journal of the American Chemical Society", "authors": [ "Deependra Jadoun", "Victor M. Freixas", "Sankaran Ramesh", "Tõnu Pullerits", "Sergei Tretiak", "Vladimir Chernyak", "Upendra Harbola", "Shaul Mukamel" ], "india_affiliations": [ "National Institute of Indian Medical Heritage", "Indian Institute of Science Bangalore" ], "abstract": "Quantum coherences are the primary signatures of nonadiabatic dynamics in biological complexes, yet their unambiguous detection remains a challenge. Conventional time-resolved spectroscopies rely on temporal beating patterns that are inherently convoluted with population-relaxation dynamics and instrumental artifacts, often hiding the genuine coherences. We introduce a technique that exploits macroscopic spectro-temporal entanglement for the snapshot detection of electronic, vibrational, and vibronic coherences in molecules, avoiding temporal scanning. We show how to use entangled beams containing tens of thousands of photons in 2D electronic spectroscopy to detect quantum coherences at a given population time, thus enabling an instantaneous detection of quantum coherences in the molecule ", "published_at": "2026-08-21" }, { "openalex_id": "https://openalex.org/W7203887472", "doi": "https://doi.org/10.1007/s43926-026-00456-x", "arxiv_id": "", "title": "Quantum machine learning-based intrusion detection system for IoT cloud-enabled smart city environments", "type": "article", "venue": "Discover Internet of Things", "authors": [ "Sukanya Pondavakam", "Sushil Kumar Singh", "Himanshu Gupta" ], "india_affiliations": [ "Marwadi University", "Manipal Academy of Higher Education" ], "abstract": "Abstract The fast integration of Internet of Things (IoT) devices and cloud platforms has altered current smart cities, allowing for intelligent services and effective communication. However, the increased interconnectedness has broadened the attack surface, exposing systems to complex, evolving cyberattacks that standard Intrusion Detection Systems (IDSs) cannot adequately counter. Classical Machine Learning architectures have constraints in handling high-dimensional data, achieving scalability, maintaining performance, and adapting to dynamic attack behaviours. To find these problems, this study presents a Quantum Machine Learning (QML)-based Intrusion Detection framework that uses Quantum Support Vector Machines (QSVM) to improve detection accuracy, adaptability, and computational effic", "published_at": "2026-08-21" }, { "openalex_id": "https://openalex.org/W7203875652", "doi": "https://doi.org/10.64823/ijter.2621004", "arxiv_id": "", "title": "The Enduring Role of Cloud Computing in the Era of Quantum Computing : A Comprehensive Review", "type": "article", "venue": "International Journal of Technology & Emerging Research", "authors": [ "Anamika V J", "Aleena K Rasheed" ], "india_affiliations": [ "Kannur University" ], "abstract": "Quantum computing has emerged as a transformative technology capable of solving complex computational problems beyond the capabilities of classical systems. However, severe hardware limitations, qubit decoherence, and high implementation costs prevent it from replacing classical cloud infrastructure. Instead, cloud and quantum computing are evolving as complementary technologies. Through Quantum-as-a-Service (QaaS) and hybrid cloud–quantum architectures, cloud platforms provide scalable infrastructure, data management, and resource orchestration, while quantum processors accelerate specialized computational tasks. This review systematically examines the relationship between cloud computing and quantum computing by analyzing their technical differences, capabilities, application areas, curr", "published_at": "2026-08-21" }, { "openalex_id": "https://openalex.org/W7203834345", "doi": "https://doi.org/10.1016/j.ijleo.2026.172869", "arxiv_id": "", "title": "Dimension-adaptive relay-assisted high-dimensional QKD under channel asymmetry", "type": "article", "venue": "Optik", "authors": [ "R.K. Mugelan", "S. Amith", "N. G Swetha" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "", "published_at": "2026-08-20" }, { "openalex_id": "https://openalex.org/W7203833097", "doi": "https://doi.org/10.1007/s44443-026-01090-x", "arxiv_id": "", "title": "QFRA: a quantum forensic readiness architecture for distributed hybrid classical-quantum networks", "type": "article", "venue": "Journal of King Saud University - Computer and Information Sciences", "authors": [ "Tinku Adhikari", "Mahamuda Sultana", "Suman Bhattacharya", "Jadav Chandra Das", "Mohd Hafiz Zakaria", "Norazak Senu", "Ali Ahmadian" ], "india_affiliations": [ "Maulana Abul Kalam Azad University of Technology, West Bengal" ], "abstract": "Hybrid classical–quantum networks introduce new forensic challenges due to quantum state collapse, decoherence and the no cloning theorem. These features invalidate traditional evidence preservation assumptions. Existing digital forensic frameworks lack proactive mechanisms which are capable of ensuring integrity and readiness in such hybrid environments. This paper proposes the Quantum Forensic Readiness Architecture (QFRA) which is mainly a distributed framework. The framework consists of four major components. They are (i) Quantum Evidence Objects (QEOs) for structured quantum metadata representation, (ii) Forensic Entanglement Mapping (FEM) for hybrid event correlation, (iii) a Decoherence Aware Replication Protocol (QEPP) for adaptive evidence preservation and (iv) a post quantum cryp", "published_at": "2026-08-20" }, { "openalex_id": "https://openalex.org/W7203762723", "doi": "https://doi.org/10.3389/frai.2026.1872978", "arxiv_id": "", "title": "Quantum-enhanced deep learning models for automated defect detection in materials", "type": "article", "venue": "Frontiers in Artificial Intelligence", "authors": [ "Aniket Garg", "Snehal Sushibine", "Diya Choudhuri", "Shrey Anand", "Helen Vijitha P.", "Jai Vinita L.", "Parvathy A. K.", "Vinaytosh Mishra", "Thompson Stephan" ], "india_affiliations": [ "Vellore Institute of Technology University" ], "abstract": "The quality of raw materials is fundamental to the reliability and overall performance of final products, serving as the cornerstone of modern manufacturing standards. While traditional inspection methods can be effective, they are frequently time-consuming, labor-intensive, and unsuitable for high-throughput production environments. Recent advances in quantum computing offer significant advantages for processing large-scale data and complex feature representations, with strong potential to address the limitations of traditional inspection techniques. This study introduces an automated approach for grading raw materials, such as steel and fabric, which are widely used in industries including automotive, textiles, and general manufacturing, by integrating deep learning with quantum machine ", "published_at": "2026-08-20" } ] }