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 29
Multidimensional revival dynamics in a bosonic many-body system
The collapse and revival of localized states in many-body systems is a quintessential example of a quantum interference phenomenon that cannot be explained purely within mean-field theories.Subsystem Spacetime Code
Quantum error-correcting codes provide a powerful framework for analyzing and designing fault-tolerant Clifford circuits.Quantum communication: a discrimination approach
We develop a state discrimination approach to unassisted quantum communication through a noisy quantum channel.Rapid mixing for Gibbs samplers for quantum spin systems with all-to-all interactions
Understanding when quantum many-body systems rapidly converge to thermal equilibrium is a central problem in quantum statistical mechanics.Quantum Computing through Computational Imaging: Representations, Measurement, and Inference
An algebraic correspondence between an imaging model and a quantum state does not specify a computational method: input access, measurement and decoding determine what can be returned.Characterizing Reaction Types through Linear Free-Energy Relationships in Cavities
Polaritonic chemistry holds the promise of controlling chemical reactivity through confined light-matter interactions, yet how reactions respond inside optical cavities remains debated.Fault-Tolerant Heisenberg-Limited Quantum Metrology with Bosonic Probes
Quantum sensors have been shown to enable more precise measurements than classical sensors.Micromagnetic Lagrangian and Hamiltonian Normal-Mode Formulation of Cavity Magnon-Photon Interactions
We investigate magnon-photon interactions in a resonant cavity starting from the coupled Maxwell and Landau-Lifshitz equations linearized about an arbitrary micromagnetic ground state.Electric field control of anisotropic spin traffic between spin-filtering and magnon-scattering in a layered antiferromagnet
Layered A-type antiferromagnetic (AFM) semiconductors offer a unique platform for spintronic devices by combining robust magnetism with gate-tunable semiconducting properties.Structural Bottlenecks in QAOA Mixer Design: Transport and Causal Reach
The choice of mixer is a central design decision in the Quantum Approximate Optimization Algorithm (QAOA), yet different structural limitations of a mixer need not be captured by a single metric.A universal gauge structure in the photon content of light-matter systems
After truncating the matter Hilbert space of a single-mode light-matter model, gauge transformations leave the spectrum invariant whereas the ground-state photon number is gauge dependent, hence…Process matrices on generalised theories
We extend the process-matrix framework for defining indefinite causal orders to a broad class of generalised physical theories.Trajectory sharpening under quantum reference frame transformations
Quantum reference frame (QRF) transformations relate the description of a physical system to different quantum observers, but their connection to concrete experimental phenomena remains largely…Quantum-Walk Inspired Spectral Metrics for Evaluating QAOA Mixers
QAOA mixers play an important role in enabling exploration of the exponentially large solution space of binary optimization problems.Static dipolar impurity in a Fermi gas
We consider a static dipolar impurity immersed in a Fermi gas and show how dipolar interactions shape both the few-body scattering properties and the resulting polaron physics.Entropic Fluctuations in Quantum Statistical Mechanics: A Review
The celebrated Evans--Searles, respectively Gallavotti--Cohen, fluctuation theorem concerns certain universal statistical features of the entropy production rate of a classical system in a…Lattice moments and quantum designs
We show that the ensemble of unimodular Gottesman$-$Kitaev$-$Preskill distributions fails to form a rigged quantum $3$-design and quantify the replica defect that determines this failure.Fast and accurate neural triage decoding of ultra-high-rate quantum LDPC codes
Quantum error correction is essential for fault-tolerant quantum computing.Using domain walls to benchmark fast quantum anneals
We consider the distribution of domain walls arising in ground states of frustrated 1-dimensional Ising spin chains with anti-parallel boundary spins.On the gauge-invariant orbital angular momentum of vector optical vortices in the paraxial approximation and beyond
In this paper we present a gauge-invariant formalism for describing the spin and orbital angular momenta of scalar and vector optical vortices.