A Finite-State Gibbs Construction from a Recognition CostOn a finite outcome space, the canonical Gibbs distribution is usually obtained by maximizing Shannon entropy at fixed mean of an externally supplied energy functional. This paper studies the…Megan Simons, Jonathan Washburn·May 15, 2026SaveLearn
Order by disorder up to arbitrarily high temperatureWe prove that a class of classical lattice models on Zd (d ≥ 2) with on-site space N0 and nearest neighbour interaction, exhibits long-range checkerboard order at…Ravish Mehta·May 15, 2026SaveLearn
Langevin equations with non-Gaussian thermal noise: Valid but superfluousWe discuss the statistics of additive thermal (internal) noise in systems governed by the generalized Langevin equation with linear dissipation. To assess the equation's validity, it is common to…Alex V. Plyukhin·May 15, 2026SaveLearn
Recursive entropy in thermodynamics: expounding the statistical-physics basis of the zentropy approachThe recursive property of entropy is well known in information theory; however, the concept is underutilized in thermodynamics, despite being the field where the concept of entropy originated. The…Luke Allen Myers, Nigel Lee En Hew, Shun-Li Shang et al.·May 15, 2026SaveLearn
Chladni states in Ising Spin LatticesLow-temperature spin dynamics can become trapped in long-lived patterns shaped by the geometry of the interaction network. We introduce Chladni states, the binary spin configurations obtained by…Giulio Iannelli, Pablo Villegas·May 15, 2026SaveLearn
Exactly Solvable Phase Transition in a Cavity-Coupled 1D Ising ChainAlthough one-dimensional classical spin chains do not exhibit phase transitions, we found that a phase transition does occur when they are coupled to a cavity photon mode. This provides the simplest…Shuntaro Otake, Motoaki Bamba·May 15, 2026SaveLearn
First passage time properties of diffusion with a broad class of stochastic diffusion coefficientsThis study investigates the first passage time (FPT) properties of particles with a broad class of positive stochastic diffusion coefficients (DCs), representing diffusion in heterogeneous…Go Uchida, Hiromi Miyoshi, Hitoshi Washizu·May 15, 2026SaveLearn
Hot band soundChaotic lattice models at high temperature are generically expected to exhibit diffusive transport of all local conserved charges. Such diffusive transport is usually associated with overdamped…Vir B. Bulchandani, David A. Huse·May 15, 2026SaveLearn
Thermodynamic and statistical properties of a multifractional modified dispersion relation via the grand-canonical ensembleWe study the thermodynamic and statistical properties of a gas governed by a multifractional modified dispersion relation of the form ω2=k2+4E*-1/2k5/2, where E* sets the…A. A. Araújo Filho·May 14, 2026SaveLearn
Fractal signatures of strong universality in the disordered Ising modelDisordered systems are very rich laboratories for exploring complex systems. In particular, disordered magnetic systems have been extremely important in the last five decades for understanding a wide…Henrique A Lima, Kaue Hermann, Ismael S. S. Carrasco et al.·May 14, 2026SaveLearn
Lévy-like flights and fractal geometry of finite point setsWe study Lévy-like and truncated Lévy-like flights with step probability distribution of the form r-1+ν for negative, positive, and zero ν, focusing on the appearance of fractal geometry…Konstantinos Chalas, F. K. Diakonos, A. S. Kapoyannis·May 14, 2026SaveLearn
Matrix-Product Belief Propagation for continuous-state-space variablesComputation of observables in discrete stochastic, possibly conditioned, dynamics over large sparse networks is fundamental for a myriad of applications. The Matrix-Product Belief Propagation method…Federico Florio, Alfredo Braunstein·May 14, 2026SaveLearn
Dynamical Fluctuation-Response RelationsWe derive exact dynamical fluctuation-response relations (FRRs) for time-integrated observables of any nonautonomous Markov jump process. The finite-time covariance splits into an initial variability…Timur Aslyamov, Massimiliano Esposito·May 14, 2026SaveLearn
A microcanonical approach to criticality in the mean-field ϕ4 model: evidence of intrinsic microcanonical structure before the thermodynamic limitCollective critical behavior is often identified with thermodynamic nonanalyticities and divergences emerging only in the infinite-size limit. Here we adopt a complementary viewpoint: criticality is…Loris Di Cairano, Roberto Franzosi·May 13, 2026SaveLearn
Thermodynamic Geometry of two-dimensional square-well fluidsThermodynamic geometry of two-dimensional fluids has been investigated using a square-well model as a prototype fluid. A comparison with the three-dimensional case is performed in the subcritical and…Jaime Jaramillo-Gutiérrez, José Torres-Arenas·May 13, 2026SaveLearn
Phase Ordering in a few O(n) Symmetric Models: Slow Growth, Mpemba Effect and Experimental RelevanceWe study phase ordering dynamics in the three-dimensional nonconserved XY model, via Monte Carlo simulations, for quenches from paramagnetic phase to certain final temperatures Tf within the…Wasim Akram, Nalina Vadakkayil, Sohini Chatterjee et al.·May 13, 2026SaveLearn
Emergence of information interference in stochastic systems with non-diagonal noise and switching environmentsStochastic forces in natural systems are rarely isotropic. From hydrodynamically coupled colloids to chemical reaction networks, noise contributions are inherently correlated. Together with internal…Andrea Marchetti, Daniel Maria Busiello, Giorgio Nicoletti·May 13, 2026SaveLearn
Quantifying information flow along a stochastic trajectoryStochastic information flow (SIF) quantifies information flow at the trajectory level, overcoming the limitations of conventional symmetric, ensemble-averaged measures. However, computational…Yongjae Oh, Euijoon Kwon, Yongjoo Baek·May 13, 2026SaveLearn
Theory of Rayleigh molecular light scattering by isotropic polar fluids revisitedThe molecular theory of Rayleigh light scattering in dense isotropic polar fluids is reconsidered by suitably adapting local field concepts of electrostatics to propagating electromagnetic waves,…P. M. Déjardin·May 13, 2026SaveLearn
Matrix-noise Jacobians in stochastic-calculus inference and optimal pathsMultiplicative noise makes stochastic dynamics depend on how the white-noise limit is interpreted. In multidimensional systems with matrix-valued noise amplitudes σ(x), this dependence includes a…Surachate Limkumnerd·May 13, 2026SaveLearn
Competing Effect of Biquadratic and Heisenberg Coupling on Magnetic Tunnel Junction Molecular Spintronics DevicesHeisenberg exchange coupling (HC) and biquadratic exchange coupling (BQC) are known to occur in magnetic tunnel junctions (MTJ) and nanoscale spintronics structures. MTJ-based molecular spintronics…Andoniaina Mariah Randriambololona, Hayden Brown, Eva Mutunga et al.·May 13, 2026SaveLearn
Computing eigenpairs of quantum many-body systems with Polfed.jlWe present Polfed.jl, an open-source Julia package implementing the Polynomially Filtered Exact Diagonalization (POLFED) algorithm for computing mid-spectrum eigenvalues and eigenvectors (shortly,…Rok Pintar, Konrad Pawlik, Rafał Świętek et al.·May 13, 2026SaveLearn
Novel dynamics for an inertial polar tracer in an active bathA polar tracer immersed in an active bath is known to be propelled forward and therefore activated. Here we report that the induced dynamics of an inertial tracer can be much richer than expected. We…Jing-Bo Zeng, Ji-Hui Pei·May 13, 2026SaveLearn
Metric response of relative entropy: A universal indicator of quantum criticalityThe information-geometric origin of fidelity susceptibility and its utility as a universal probe of quantum criticality in many-body settings have been widely discussed. Here we explore the metric…Pritam Sarkar, Diptiman Sen, Arnab Sen·May 13, 2026SaveLearn
Momentum distribution and correlation function of free particles in the Tsallis statistics using conventional expectation value and equilibrium temperatureWe applied the Tsallis statistics with the conventional expectation value to a system of free particles, adopting the equilibrium temperature, which is often called the physical temperature. The…Masamichi Ishihara·May 13, 2026SaveLearn