Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Dyadic-Chaotic Lifting S-Boxes for Enhanced Physical-Layer Security within 6G Networks
Ilias Cherkaoui, Indrakshi Dey·Nov 15, 2025
Sixth-Generation (6G) wireless networks will interconnect billions of resource-constrained devices and time-critical services, where classical, fixed, and heavy cryptography strains latency and energy budgets and struggles against large-scale, pre-co...
Non-perturbative 2D spatial measurements of electric fields within a plasma sheath
Mykhailo Vorobiov, Rob Behary, Will Torg +9 more·Nov 15, 2025
We introduce an all-optical quantum-enhanced diagnostic for electric fields in low-temperature plasmas. Trace amounts of rubidium vapor, added to argon plasma, allow us to produce spectrally narrow electric field-sensitive optical resonances via quan...
QMA Complete Quantum-Enhanced Kyber: Provable Security Through CHSH Nonlocality
Ilias Cherkaoui, Indrakshi Dey·Nov 15, 2025
Post-quantum cryptography (PQC) must secure large-scale communication systems against quantum adversaries where classical hardness alone is insufficient and purely quantum schemes remain impractical. Lattice-based key encapsulation mechanisms (KEMs) ...
An Improved Quantum Anonymous Notification Protocol for Quantum-Augmented Networks
Nitin Jha, Abhishek Parakh, Mahadevan Subramaniam·Nov 15, 2025
The scalability of current quantum networks is limited due to noisy quantum components and high implementation costs, thereby limiting the security advantages that quantum networks provide over their classical counterparts. Quantum Augmented Networks...
The conditional probabilities and the empirical laws in a free scalar QFT in curved spacetime
Hideyasu Yamashita·Nov 15, 2025
Unlike QFT in Minkowski spacetime (QFTM), QFT in curved spacetime (QFTCS) suffers from a conceptual obscurity on the empirical (experimentally verifiable/falsifiable) laws. We propose to employ the notion of prior conditional probabilities to describ...
Transitional Bell Correlation from Dirac Wavepackets
Ju Gao, Fang Shen·Nov 15, 2025
We derive a closed-form expression for the Bell--CHSH correlation of entangled, counter-propagating electrons using realistic Dirac wavepackets and localized detection. In contrast to the conventional distance-independent result, the Bell parameter e...
Skyrmionic qubits stabilized by Dzyaloshinskii-Moriya interaction as platforms for qubits and quantum gates
Doru Sticlet, Romulus Tetean, Coriolan Tiusan·Nov 15, 2025
Quantum computation departs from the classical paradigm of deterministic, bit-based processing by exploiting inherently quantum phenomena such as superposition and entanglement. We propose a framework for qubit realization based on skyrmionic states ...
Survival of Hermitian Criticality in the Non-Hermitian Framework
Fei Wang, Guoying Liang, Zecheng Zhao +3 more·Nov 15, 2025
In this work, we investigate many-body phase transitions in a one-dimensional anisotropic XY model subject to a complex-valued transverse field. Within the biorthogonal framework, we calculate the ground-state correlation functions and entanglement e...
Entanglement degradation of static black holes in effective quantum gravity
Xiaobao Liu, Wentao Liu, Shu-Min Wu·Nov 15, 2025
Quantum information science has been broadly explored in Einstein gravity and in various modified gravity theories; however, its extension to quantum gravity settings remains largely unexplored. Motivated by this gap, in this paper we investigate the...
Scalable quantum error mitigation for dynamical decoupling
Weibin Ni, Zhijie Li, Guanyu Qu +5 more·Nov 15, 2025
Quantum coherence remains a fundamental challenge for advancing quantum technologies. Although dynamical decoupling can suppress decoherence noise, it frequently misestimates decoherence times due to control errors -- a previously underappreciated is...
Channel-Constrained Markovian Quantum Diffusion Model from Open System Perspective
Qin-Sheng Zhu, Geng Chen, Lian-Hui Yu +2 more·Nov 15, 2025
We present a channel-constrained Markovian quantum diffusion (CCMQD) model that prepares quantum states by rigorously framing the generative process within the dynamics of open quantum systems. Our model interprets the forward diffusion process as na...
Reinforcement Learning for Charging Optimization of Inhomogeneous Dicke Quantum Batteries
Xiaobin Song, Siyuan Bai, Da-Wei Wang +4 more·Nov 15, 2025
Charging optimization is a key challenge to the implementation of quantum batteries, particularly under inhomogeneity and partial observability. This paper employs reinforcement learning to optimize piecewise-constant charging policies for an inhomog...
Photonic spin Hall effect in $\mathcal{PT}$-symmetric non-Hermitian cavity magnomechanics
Shah Fahad, Muzamil Shah, Gao Xianlong·Nov 15, 2025
Non-Hermitian cavity magnomechanics (CMM), which incorporates the magnon-photon and magnon-phonon interactions simultaneously, enables rich physical phenomena, including exceptional-point-enhanced sensing, and offers pathways toward topological trans...
Stochastic Shadow Descent: Training Parametrized Quantum Circuits with Shadows of Gradients
Sayantan Pramanik, M Girish Chandra·Nov 15, 2025
In this paper, we focus on the task of optimizing the parameters in Parametrized Quantum Circuits (PQCs). While popular algorithms, such as Simultaneous Perturbation Stochastic Approximation (SPSA), limit the number of circuit-execution to two per it...
Application of optical squeezing to microresonator based optical sensors
Dariya Salykina, Daniil Shakhbaziants, Igor Bilenko +1 more·Nov 15, 2025
High-Q optical microresonators combine low losses and high optical energy concentration in a small effective mode volume, making them an attractive platform for optical sensors. While light is confined in the microresonator by total internal reflecti...
Hybrid Predictive Quantum Feedback: Extending Qubit Lifetimes Beyond the Wiseman-Milburn Limit
Ali Abu-Nada, Aryan Iliat, Russell Ceballos·Nov 15, 2025
Amplitude damping fundamentally limits qubit lifetimes by irreversibly leaking energy and information into the environment. Standard Wiseman--Milburn feedback offers only modest improvement because it acts on a single measured quadrature and its corr...
Enhanced Nonreciprocal Quantum Battery Performance via Nonlinear Two-Photon Driving
Luxin Xu, Changliang Ren·Nov 15, 2025
Quantum batteries have attracted significant attention as efficient quantum energy storage devices.In this work, we propose a nonlinear two-photon driving quantum battery model featuring nonreciprocal dynamics that enables a highly efficient unidirec...
Quantum Amplitude-Amplification Eigensolver: A State-Learning-Assisted Approach beyond Energy-Gradient-Based Heuristics
Kyunghyun Baek, Seungjin Lee, Joonsuk Huh +4 more·Nov 15, 2025
Ground-state estimation lies at the heart of a broad range of quantum simulations. Most near-term approaches are cast as variational energy minimization and thus inherit the challenges of problem-specific energy landscapes. We develop the quantum amp...
Arbitrary High Order Low-rank Completely Positive and Trace Preserving (CPTP) Schemes for Lindblad Equations with Time-dependent Hamiltonian
Jiuhua Hu, Daniel Appelo, Yingda Cheng·Nov 15, 2025
In this paper, we develop a framework for designing arbitrary high order low-rank schemes for the Lindblad equation with time-dependent Hamiltonians. Our approach is based on nested Picard iterative integrators (NPI) and results in schemes in Kraus f...
Measurement-Based Quantum Computation Using the Spin-1 XXZ Model with Uniaxial Anisotropy
Hiroki Ohta, Aaron Merlin Müller, Shunji Tsuchiya·Nov 15, 2025
We demonstrate that the ground state of a spin-1 XXZ chain with uniaxial anisotropies, single-ion anisotropy $D$ and Ising-like anisotropy $J$, within the Haldane phase can serve as a resource state for measurement-based quantum computation implement...