Quantum Physics · Physics & Astronomy
Quantum Physics
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3,630 papers, from 4 September 2026 to 5 November 2026: 3,630 arXiv preprints.
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Newest papers, page 34
Mixed-State Topological Transition and Emergent Fractionalized Supersymmetry in the Non-Abelian Kitaev Spin Liquid
We study a mixed-state topological transition in the non-Abelian Kitaev spin liquid driven by a bond-dephasing channel.An Eigenvector-Continued Green's Function Method
Emulating the Green's function using reduced-order equations is challenging because of the amount of information it contains.Generalized Mean-Field Ising Model as a Benchmark Family with Exact Solutions
Exactly solvable models provide opportunities to understand complex optimization problems while offering controlled benchmarks for computational methods.Generating Multipartite Entanglement via Structured-Bath Engineering
We present how to dissipatively prepare genuinely multipartite-entangled steady states with mutually independent local reservoirs by harnessing an Abelian strong symmetry and temporal bath…Key Evaluation of a Relativistic Quantum Key Distribution Over a Turbulent Free-space Optical Channel
We investigate the performance of relativistic quantum key distribution (RQKD) over turbulent free-space optical channels for both single-photon and coherent-state implementations.Memory-Induced Limits on Entanglement Distribution
We investigate the operational limits of entanglement distribution through quantum channels reused without reinitialization.From Entanglement Bootstrap to DHR Theory
We establish a direct connection between the entanglement bootstrap and the Doplicher--Haag--Roberts theory of superselection sectors for two-dimensional quantum spin systems.Gravitational Interactions in Nuclear Clocks
Atomic clocks achieve extraordinary precision through quantum control over large ensembles of atoms, with precision increasing and atom number advancing steadily.Gravitationally Mediated Entanglement in Interferometers with Repeated Splitting
Proposals to probe the quantum nature of gravity through entanglement between spatially separated masses have attracted considerable interest.Inferring the Number of Quantum State Transfers with Neural Networks
Repeated-use quantum state transfer (QST) goes beyond the single-use paradigm by accounting for the memory that accumulates inside the transmission channel when it is not reset between uses.The geometry of Floquet states
This paper studies the moduli space of "good" periodic Hamiltonians, i.e., periodic Hamiltonians with nondegenerate Floquet spectrum.Local Quantum Fault Tolerance Without Expansion
We study fault-tolerant quantum computation using a fixed, local error-correction rule and a geometrically simple code: the cubical $(d,d')$-Toric code with $d',d-d'\geq 2$, including the 4D Toric…Drive-tunable Floquet exchange spectroscopy with Hong--Ou--Mandel interference
Floquet driving reshapes cavity spectra, but single-photon sideband populations do not reveal how it changes two-photon exchange.Execution bias, repeatability and mitigation cost in parameter-frozen molecular VQE energy evaluation
A smaller statistical error bar need not mean a more accurate molecular energy.Mitigating Errors in Variational Quantum Eigensolver Calculations through Extended Random Phase Approximation
Quantum hardware noise remains a major obstacle to accurate molecular simulations using the variational quantum eigensolver (VQE).High-Threshold Fusion-Based Quantum Computation with Optical Hybrid Qubits
Hybrid discrete- and continuous-variable (DV-CV) encodings have been developed to overcome operational drawbacks of each individual encoding, while fusion-based quantum computation (FBQC) has…Adaptive Local Measurements For Quantum Learning Can Exponentially Outperform Nonadaptive Global Measurements
Can measurements chosen adaptively, in response to earlier outcomes, be exponentially more informative than measurements fixed in advance?Fully Quantum Latent Diffusion for Synthetic Malware Records: Effective Denoising, Limited Class Information, and Costly Post-Selection
Malware benchmarks are difficult to share, because the samples are harmful and a corpus can reveal the incidents of its holder, while synthetic substitutes can leak training records.High bandwidth heterodyne sensing with bulk NV diamond
Developing high performance portable sensors is of significant importance for both terrestrial and satellite communications, with quantum sensors offering potential advantages in sensitivity and…Fate of Quantum Magic
Magic, a quantum resource distinct from entanglement, measures departure from states stabilized by products of Pauli operators.