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 95
Accessing electronic entanglement via photo-assisted two-electron tomography
Witnessing entanglement between electrons propagating in quantum circuits requires accessing their two-electron coherences, which encode the two-particle quantum correlations generated by Coulomb…Residual-Guided Global-Drive Design in Trapped-Ion Quantum Simulators
Trapped-ion quantum simulators are powerful platforms for exploring many-body physics, yet engineering of arbitrary interaction graphs remains a central challenge.Quartic Certificates for Pure-State Tomography with Pauli Measurements
Full Pauli-basis tomography of an arbitrary $n$-qubit state uses the expectation values of all nonidentity Pauli observables.Quantum Co-Design of Inhomogeneous Many-Body Neutrino Fast Flavor Transformation
Dense-neutrino flavor evolution is a quantum many-body problem whose fully correlated treatment becomes rapidly more expensive with increasing particle number and spatial structure.Constructing Large and Structured Decoherence-Free Subspaces in Hybrid Quantum Systems
We develop a framework to construct large decoherence-free subspaces with a non-trivial structure.Improved Local Leakage Resilience of Shamir Secret Sharing and Worst-Case Optimal Polynomial Intersection
We study two problems: Local Leakage Resilience (LLR) for Shamir secret sharing, and worst-case Optimal Polynomial Intersection (OPI).Energy-constrained two-way capacities of the pure-loss channel
We determine the two-way quantum and secret-key capacities of the pure-loss channel under an average input photon-number constraint.Measure Now, Mitigate Later: Virtual Error Cancellation for Logical Quantum Circuits
Early fault-tolerant quantum algorithms are a key step in scalable quantum computing, but are ultimately constrained by residual, uncorrectable logical errors.Local polarization control of optical tweezer arrays
Optical tweezer arrays trapping ultracold atoms and molecules are a versatile quantum science platform with broad impact in quantum simulation, quantum computation, and quantum metrology.Toward Joint Optimization of Circuit Depth and Training Data Size in Adaptively Grown Quantum Classifiers
Building a quantum model involves a tradeoff: how complex the circuit should be, and how much training data it needs.Entanglement entropy and magic of ZX-diagrams
Entanglement and non-stabilizerness are complementary resources underlying the complexity of quantum states, yet extracting either quantity from large quantum circuits generally requires…On PPT entanglement distillation
We study entanglement distillation under operations that remain completely positive under partial-transpose conjugation, a.k.a.Exact solutions of non-Markovian dissipative Ising models
Applications of quantum devices and simulators require an accurate understanding of their dynamics as well as the effects of environmental noise.Engineering Ergodicity-Breaking and Stable Emergent Conservation Laws in a Generic Quantum Many-body System Under Strong Periodic Drive
A periodically driven quantum many-body system is believed to approach a locally infinite-temperature-like state as dictated by the ergodicity hypothesis, when all the couplings/parameters are of…TLS loss in superconducting resonators on epitaxial hBN thin films
The integration of low-loss dielectrics into superconducting circuits is of importance to the functionality of quantum computers and sensors.Frustrated Topological Orbital Magnetism
By studying the interplay of geometric frustration with Aharonov-Bohm fluxes in three dimensions, we unveil a rich playground exhibiting topological semimetallic ground states with orbital magnetic…Correlated Pair Creation with Positive- and Negative-Frequency Oscillators in a Trapped-Ion Quantum Simulator
Spin-dependent forces enable independent control over the effective frequencies of bosonic motional modes and their coupling strengths to spins in trapped-ion spin-boson quantum simulators.Error correction and quantum information spreading on sparse random graphs
Quantum error-correcting codes on graph geometries beyond regular euclidean lattices have emerged as a promising route toward robust quantum information processing.Dissipative Majorana Chain---Anomalies and Non-Invertible Symmetries
We study symmetries and anomalies of dissipative Majorana chains described by Lindblad dynamics.Optimal linear-optical interferometers for unitary t-designs in a multi-photon Fock space
We investigate the construction of unitary $t$-designs in a multi-photon Fock space on programmable linear-optical interferometers.