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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A photonic integrated comb engine for ultracold quantum gases
Cold atoms underpin quantum sensing, simulation and computation, but their coherent control demands highly stable optical fields whose generation, referencing and power scaling remain formidable…Improved convergence radius of the Fer expansion for Hermitian generators
The Dyson series expands the propagator of a time-dependent Hamiltonian in powers of the Hamiltonian, but its truncations are in general not unitary.Scalable simulation of non-Markovian quantum transport by stochastic-phase bath reduction
Accurate simulations of non-Markovian quantum transport remain limited to small systems, and a key bottleneck is that each system site requires an independent set of quantum bath orbitals.Bridging two families of non-Hermiticity: from non-reciprocal couplings to an imaginary potential using the Lanczos transformation
Two types of non-Hermiticity found in physical systems, i.e., non-reciprocal couplings and complex potentials, have gained considerable interest recently.Multipartite GHZ diagonal states and their entanglement properties
In this paper, we investigate the family of GHZ diagonal states, which are mixed multipartite quantum states that are diagonal in a GHZ type basis.The Minimal Dimension of Entangled-Noise Advantage
Can entangled noise erase entanglement more efficiently than separable noise?Simulation of a Battery Cell on Quantum Computers: Reactions & Transport
Simulations of electrochemical materials and systems accelerate technological progress, but are still limited by computational power.Image Compression Using Quantum Wavelet Transform and Quantum Convolutional Networks
This paper presents a hybrid quantum-classical framework for grayscale image compression and decompression, leveraging the strengths of quantum computing and deep learning.Quantum score matching with applications to learning thermal states
Score matching has driven major advances in classical generative learning by enabling models to learn from data without evaluating intractable normalization constants, or partition functions.Repairability of Inexact Solvers in Recursive State Estimation with Machine Learning
Recursive state estimation often executes approximate numerical solutions inside a feedback loop, where highly accurate local steps do not guarantee better overall results.Sharp pairwise reduction for quantum hypothesis testing
We determine the optimal universal coefficient in a reduction of multiple to binary quantum hypothesis testing.Analog neutral-atom for in-memory processing in quantum reservoir computing
Quantum Reservoir Computing (QRC) exploits the rich dynamics of quantum many-body systems to process time-dependent information with high-dimensional state spaces.Purely-logarithmic-time- and constant-space-overhead fault-tolerant quantum computation
We prove that constant-space-overhead fault-tolerant quantum computation can be achieved with provably strictly logarithmic time overhead, improving over the best known results with additional…Compressed Permutation Oracles Revisited
The compressed permutation oracle has been used to analyze the quantum security of a number of cryptographic constructions which resisted prior techniques.Classical Capacity and Entanglement Cost of the Amplitude Damping Channel
Determining a noisy quantum channel's classical capacity and entanglement cost generally requires regularization over many channel uses.Local Vacuum Entanglement through Most Entangled Modes
We find the shape of the modes containing most of the entanglement between two disjoint spherical regions in the vacuum of a free massless real scalar field in 1+3 Minkowski spacetime.Observation of Universal Quantum Chaos at Shallow Depths
Universal statistical laws are a hallmark of quantum chaos, usually associated with the loss of spatial structure.Universal Counterdiabatic Quantum Sensing
One of the primary applications of quantum mechanics is leveraging coherence to make incredibly sensitive measurements.Non-stabilizerness and entanglement in $(2+1)$-dimensional SU(2) lattice gauge theory using tensor networks
We study non-stabilizerness (magic) in the ground state of $(2+1)$-dimensional $\mathrm{SU}(2)$ Hamiltonian lattice gauge theory with matter, formulated in the dressed-site basis in the…Continuity of Regularized Channel Rényi Divergences
We prove that the regularized, stabilized sandwiched Rényi divergence of finite-dimensional quantum channels converges to their regularized relative entropy as the Rényi order tends to one.