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 117
Record consistency under repeated readout and apparatus composition
No-signalling constraints on isolated outcome probabilities do not determine whether an apparatus preserves the joint law of its accessible records under repeated readout, network composition, or…Active lattice percolation: an apparently new universality class of percolation transitions
We investigate a class of dynamic percolation models on a lattice, in which connections are added and removed by a set of local stochastic rules.Competing pathways in polaritonic chemistry and general harmonic environments
Recent experiments suggest that strong light-matter coupling between molecules and cavity modes can significantly modify chemical reaction rates and yields.Neural Correlation Learning for Quantum-Enhanced Sensing with Time-Independently Driven Rydberg Atom Arrays
Quantum-enhanced sensing typically relies on preparing specific entangled states.High-Rate Quantum Codes with Proven Distance and Low-Weight Measurements
We study a family of quantum subsystem codes defined on rectangular coordinate grids of any dimension, with even side lengths of at least four.Gaussian Fisher Information Is Superadditive
Quantum Fisher information adds over independent probes, so a single parameter is best measured probe by probe.Where Quantum Fourier Sampling Stops Short: A Three-Gate Audit Protocol for Delay-PUF Security Models
Quantum Fourier sampling may help audit the spectral learnability of delay-based physical unclonable functions (PUFs).When Normalization Selects the Sign: Auditing Robustness Ablations in Quantum Attention
Removing an input-scaling module changes both a classifier and the perturbations reaching its encoder.Optimal state detection without likelihood estimation
We show that adaptive Bayesian estimation in fluorescence state detection reduces to a comparison of elapsed time with two arithmetic time sequences fixed by the bright and dark count rates and…Random Quantum LDPC Codes Approaching the Gilbert-Varshamov Bound
We show that for any $R,ε>0$ and any prime $p\geq 2$, there exists an infinite family of $p$-ary quantum low-density parity-check (QLDPC) codes, rate $R$, checks of weight $O_ε(1)$, and normalized…Correlated memory effect of environment in radical-pair magnetoreception
In the photoreceptor compass model, a light-generated, spin-correlated radical pair undergoes singlet-triplet interconversion driven by Zeeman and anisotropic hyperfine interactions, leading to…SMP: A General Hyperedge-Based Framework for Circuit-Level Quantum Error Correction
Hyperedge faults remain a major challenge in circuit-level quantum error correction.Design Automation for Gray-Code Quantum Read-Only Memory
We propose a programmable quantum read-only memory based on Gray code encoding, termed GQROM, designed to efficiently load classical data into quantum circuits.Quantum Error-Corrected Memories Keep Proper Time
What does quantum error correction do to relativistic proper time?Thermalization in a repeated-interaction model with memory effects
We study how memory affects the thermalization of a qubit in a repeated-interaction model.From Heat to Homology: Spectral Gap Transfer for Exact Quantum Gibbs Sampling at All Temperatures
Preparing Gibbs states through dissipative dynamics requires controlling convergence for the chosen Hamiltonian $H$ and coupling operators.Quasiparticle quantum simulation of materials with the Bethe-Salpeter equation
The first-principles quantum simulation of the full electronic Hamiltonian of a material model of realistic size appears daunting even in a future era of fully fault-tolerant quantum computers.Root-sparsity scaling for Hamiltonian simulation, differential equations and linear-system solvers
We give quantum algorithms for Hamiltonian simulation, linear differential equations, and linear systems with square-root dependence on sparsity.Resource Theory of Aquaternionicity: Every Pure State Is a Replicable Resource for Exact Simulation of Arbitrary Quantum Operations
An alchemical resource theory admits a nonfree state that can be exactly replicated by free operations and whose finitely many copies enable exact simulation of arbitrary quantum instruments.Einstein--Langevin source correlations in closed non-relativistic systems
Stochastic semiclassical gravity represents stress--energy fluctuations through the Einstein--Langevin noise kernel.