High Energy & Particle · Physics & Astronomy
High Energy Physics - Theory
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196 papers, from 16 September 2026 to 5 November 2026: 196 arXiv preprints.
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Newest papers, page 4
Can Spontaneous Time-Translation Symmetry Breaking Be Quantized Without Explicit Branches?
Can classically branched dynamics associated with spontaneous time-translation-symmetry breaking be quantized without explicitly retaining the branches of the Hamiltonian?Fermion Scattering on Quantum Computers
Resonant scattering links particle interactions to the formation and decay of unstable excitations.LLMs Can Tackle High Energy Theoretical Physics, yet Gaps Remain: Part I, Quantum Field Theory
Beyond math and code, Large language models (LLMs) are beginning to tackle problems that have traditionally required substantial training for theoretical physicists, but it remains unclear how far…Direct tests of conformal symmetry with Rydberg atoms: assessment and proposals
We propose a direct test of conformal symmetry using Rydberg-atom arrays.A new analytical finding for the Born-Infeld integral potential
A new finding regarding the Born-Infeld potential for short range distances from the charge revealed that its integral form can be almost exact written as the difference between a Coulomb-type…Quantum Constrained Hamiltonian Descent
We propose Quantum Constrained Hamiltonian Descent (QCHD), a continuous-time quantum framework for optimization under smooth equality constraints.Krylov Complexity and Entropy of Composite Quantum Systems
We investigate the behaviour of Krylov complexity as the number of degrees of freedom of a quantum system increases.In situ enhanced detectability of axions' responses in a microwave cavity
Microwave cavities in strong magnetic fields are among the most sensitive detectors for axion dark matter detection.Adapted Fröhlich-Pizzo Model for Horizon-Induced Decoherence
The Fröhlich-Pizzo (FP) model is a quantum-mechanical model originally developed to describe the interaction between an atom and the electromagnetic field in the nonrelativistic limit $c\to\infty$.Quantum Charge as a Particle/Antiparticle Label
We show that the concept of particles and antiparticles is related to the Weyl-Heisenberg group $W\!H_3$.Hydrodynamic description of correlation matrix eigenvalues in a finite temperature expanding free fermionic gas
A recent work considered the Page curve for entanglement entropy of a freely expanding one-dimensional Fermi gas starting from a finite box (the system) in a zero-temperature initial state that then…Inaccessibility of the Cosmological Singularity to Quantum Probes
We propose an operational resolution of the FLRW big bang singularity using quantum probes satisfying a curvature coupled Klein-Gordon equation.Phonon-assisted free-electron recoil control and mechanical sensing
Mechanical vibrations are fundamental to a wide range of physical phenomena and technologies, yet their ability to actively shape free-electron dynamics remains largely unexplored.The deepest X-ray view of a kiloparsec scale jet at z=6.1
The mechanism responsible for the high-energy emission observed in kiloparsec-scale jets across cosmic time remains poorly understood.Stabilizer Rényi moments beyond entanglement
Stabilizer Rényi moments depend on a choice of operator basis and need not be determined by entanglement spectra.Black Holes are about Quantum Information
We review and analyse quantum information-theoretic approaches to black hole evaporation that purport to bring us closer to a resolution of the black hole information paradox.Interacting quantum reference frames
We formulate quantum reference frames within the Dirac quantization of gauge theories, where physical states are obtained from a kinematical Hilbert space $\mathcal{H}_{\rm kin}$ by group averaging.Subsystem quantum Rényi-Bhattacharyya distance in 2D CFTs and its holographic applications
We develop a systematic method to compute the subsystem fidelity and Rényi fidelity in two-dimensional conformal field theories (CFTs) from the operator product expansion of twist operators, and…Local Measurement Theory for Quantum Cellular Automata
The formulation of quantum measurements compatible with relativistic causality is obstructed by the tension between the locality of observable algebras and the dynamical state transformations…Boundary-Sensitive Quantum Order on Non-Amenable Lattices
We show that quantum systems on non-amenable lattices, whose boundaries constitute an extensive fraction of the system, host novel forms of bulk ordering with no Euclidean counterpart.