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 63
Counterexamples to the total-current Hohenberg-Kohn conjecture
The total-current Hohenberg-Kohn conjecture asserts that the ground-state particle density and total current determine the scalar potential up to an additive constant and the vector potential up to…Quantum-Seeded Distributed Post-Quantum Group Signatures for 5G V2X Communications
Vehicle-to-Everything (V2X) communications rely on elliptic-curve signatures that a quantum adversary breaks and on pseudonym certificates whose anonymity rests on rotation rate, not cryptography.Orchestrating Key Scarcity: Global Capacity Allocation in Hybrid QKD-PQC Networks
This article presents a Distributed Key Management System (DKMS) that provisions quantum-safe symmetric encryption keys to applications across a network.Shot Allocation Strategies in Debugging Quantum Circuits
Debugging quantum programs remains challenging due to the nature of quantum measurement.Assignment maps for arbitrary reduced quantum dynamics
Given an open quantum system $S$ with environment $E$, we establish a one-to-one correspondence between completely positive trace-preserving (CPTP) maps from $S$ to $E$ and assignment maps…Quantum-Classical Hybrid Methods for Optimization: Lessons from Classical Decomposition
Quantum and physics-inspired solvers provide specialized sampling interfaces for Ising and quadratic unconstrained binary optimization models, but constrained optimization requires broader…Choi-Jamiołkowski isomorphism(s) and channel/state duality, naturally!
Provided a maximally entangled state vector in ${\mathcal{H}}\otimes{\mathcal{H}}$, the Choi-Jamiolkowski isomorphism of quantum information theory (or channel/state duality) produces a mapping of…Non-Classicality in $tW$ system via negativity and geometric quantum discord
We perform a phenomenological study of non-classical correlations in the mixed-dimensional qubit-qutrit system realized by leading order $pp\to tW$ production at $\sqrt{s}=13$ TeV in the leptonic…Benchmarking the Quantum Leap: Auditing LLM Evaluation for Quantum Code Generation
Large language models (LLMs) can generate quantum programs, but reliable evaluation remains difficult because benchmarks differ in task composition, scoring, and failure handling.Symmetry-breaking chelation enables room-temperature all-optical spin coherence readout of aqueous Cu(II) for chemoselective discrimination
Optical initialization and readout of molecular electron spins in water remains challenging for 3d transition-metal complexes.Chiral Floquet Selection of an Algebraic Rydberg Bound State in the Continuum
Bound states in the continuum (BICs) remain localized despite the presence of extended modes at the same energy.Large Language Model Steering of Acousto-Optic Tweezer Arrays
Controlling quantum hardware requires choosing and revising experimental strategies as nonlinear response, coupling, and drift limit calibration.Fast and High-Fidelity Motional-State-Preserving Transport in Optical Tweezers
Reconfigurable neutral-atom processors require rapid, high-fidelity transport of atoms between optical-tweezer sites.Super Howe duality and rigidity of hybrid Fourier transforms
We characterize the hybrid Fourier transform on the Schwartz--Grassmann space $\caS(\bbR^m)\otimesΛ_{2n}$ by operator intertwining relations.On the Complexity of Level-Synchronized Tree Automata for Quantum Circuit Verification
Reliable quantum computation requires methods for verifying quantum circuits.Higher-order disorder correlations control reflected phonon counting statistics
We investigate how structural correlations beyond the power spectrum affect phonon counting in a one-dimensional acoustic stack.Photon production at Kepler escape threshold
We obtain an exact closed-form total photon count for a prescribed Newtonian Kepler parabola, with a fully relativistic treatment of its radiation.Exact probability laws of random inner products: Dirichlet splines, overlaps, uncertainty, and Bargmann invariants
Inner products of random matrices and random quantum states---such as orbital inner products, expectation values, overlaps, and cyclic Bargmann invariants---are shown to follow from two underlying…Simulation-Based Quantum Forensics for QKD: Machine Learning Attack Detection and Signature Extraction
Quantum Key Distribution (QKD) supports secure key establishment under ideal protocol assumptions, but practical systems remain exposed to implementation-level attacks against optical channels…LiftDiff: Guided Discrete Diffusion for Quantum Code Construction
The realization of fault-tolerant quantum computation relies on Quantum Error-Correcting Codes (QECC).