Separating Energy and Entropy Contributions to the Hexatic-Liquid Transitions in Two-Dimensional Repulsive SystemsOver the past decades, research on two-dimensional melting has established that both first-order and continuous hexatic-liquid transitions can occur, influenced by various factors in the potential…Yan-Wei Li, Rui Ding, Wen-Hao Ma·Jan 26, 2026SaveLearn
Non-equilibrium symmetry of cyclic first-passage timesWe study the sum of first passage times along an arbitrary cycle made up of N>2 states of a small physical system. We show that, if the system is at thermodynamic equilibrium, this sum follows the…Daniel Maria Busiello, Shiling Liang, Simone Pigolotti·Jan 26, 2026SaveLearn
Wigner distribution, Wigner entropy and Quantum Refrigerator of a One-Dimensional Off-diagonal QuasicrystalWe investigate an off-diagonal quasicrystal featuring simultaneous off-diagonal and diagonal quasiperiodic modulations. By analyzing the fractal dimension, we map out the delocalization-localization…Shan Suo, Ao Zhou, Yanting Chen et al.·Jan 25, 2026SaveLearn
Entropic Efficiency of Bayesian Inference ProtocolsInference is a versatile tool that underlies scientific discovery, machine learning, and everyday decision-making: it describes how an agent updates a probability distribution as partial information…Nathan Shettell, Alexia Auffèves·Jan 24, 2026SaveLearn
What is nonequilibrium?Lecture notes on elements of nonequilibrium statistical mechanics: (1) a characterization of the nonequilibrium condition, largely by contrast to equilibrium; (2) a retelling of some of the great…Christian Maes·Jan 23, 2026SaveLearn
Universal classical and quantum fluctuations in the large deviations of current of noisy quantum systems: Quantum symmetric simple exclusion and inclusion processesWe study the fluctuation statistics of integrated currents in noisy quantum diffusive systems, focusing on the Quantum Symmetric Simple Exclusion and Inclusion Processes (QSSEP/QSSIP). These…Mathias Albert, Denis Bernard, Tony Jin et al.·Jan 23, 2026SaveLearn
Statistical mechanics of a 2D material in a gas reservoirWe derive and validate a partition function for low-dimensional systems interacting with a heat bath, addressing the general issue of thermodynamic modeling of nanoscale systems. In contrast to bulk…Moon-ki Choi, Ellad B Tadmor·Jan 23, 2026SaveLearn
Fluctuation-Response Theory for Nonequilibrium Langevin DynamicsWe establish a unified fluctuation-response relation for Langevin dynamics. By exploiting the common mathematical structures underlying fluctuations and responses of empirical density and current, we…Hyun-Myung Chun, Euijoon Kwon, Hyunggyu Park et al.·Jan 23, 2026SaveLearn
Bounded cumulative observables from local linear relaxationCumulative observables often exhibit saturation in systems involving propagation or spreading with local dissipation. This work shows that bounded cumulative response follows directly from local…Sanjeev Kumar Verma·Jan 22, 2026SaveLearn
Transition in Splitting Probabilities of Quantum WalksWe investigate the splitting probability of a monitored continuous-time quantum walk with two targets and show that, in stark contrast to a classical random walk, it exhibits a nonanalytic,…Prashant Singh, David A. Kessler, Eli Barkai·Jan 22, 2026SaveLearn
The flux of particles in a one-dimensional Fleming-Viot processThe Fleming-Viot process describes a system of N particles diffusing on a graph with an absorbing site. Whenever one of the particles is absorbed, it is replaced by a new particle at the position…Éric Brunet, Bernard Derrida·Jan 22, 2026SaveLearn
Mesoscopic Fluctuations in Statistical SystemsThe fluctuations are termed mesoscopic, when their typical size is essentially larger then the average distance between the nearest neighbors, while being much smaller than the overall system size.…V. I. Yukalov, E. P. Yukalova·Jan 22, 2026SaveLearn
Stiffness induced structures and morphological transitions in semiflexible polymersSemiflexible polymers in poor solvents exhibit a rich variety of collapsed morphologies, including globules, toroids, and rodlike bundles, arising from the competition between attractive interactions…Biman Bagchi·Jan 21, 2026SaveLearn
Additive-Functional Approach to Transport in Periodic and Tilted Periodic PotentialsIn this Letter, we clarify the physical origin of effective transport in periodic and tilted periodic systems. When Brownian dynamics is examined on the scale of a single period, the particle…Sang Yang, Zhixin Peng·Jan 20, 2026SaveLearn
Thermalization in a nonlinear variant of the discrete nonlinear Schrödinger EquationWe study the thermalization properties of a fully nonlinear lattice model originally derived from the two-dimensional cubic defocusing nonlinear Schrödinger equation (NLS) using analytical and…Yagmur Kati, Aleksandra Maluckov, Ana Mancic et al.·Jan 20, 2026SaveLearn
The O(n∞) Rotor Model and the Quantum Spherical Model on GraphsWe show that the large n limit of the O(n) quantum rotor model defined on a general graph has the same critical behavior as the corresponding quantum spherical model and that the critical…Nikita Titov, Andrea Trombettoni·Jan 20, 2026SaveLearn
Universal Coarsening and Giant-Cluster Formation in Growing InterfacesClusters formed by fluctuations of two-dimensional (2D) directed interfaces around a threshold level have been extensively studied at equilibrium and in nonequilibrium steady states, but their…Renan A. L. Almeida, Tiago J. Oliveira, Jeferson J. Arenzon et al.·Jan 20, 2026SaveLearn
Component systems: do null models explain everything?Component systems - ensembles of realizations built from a shared repertoire of modular parts - are ubiquitous in biological, ecological, technological, and socio-cultural domains. From genomes to…Andrea Mazzolini, Mattia Corigliano, Rossana Droghetti et al.·Jan 20, 2026SaveLearn
Renewal theory for Brownian motion across a stochastically gated interfaceStochastically gated interfaces play an important role in a variety of cellular diffusion processes. Examples include intracellular transport via stochastically gated ion channels and pores in the…Paul C Bressloff·Jan 19, 2026SaveLearn
Wang-Landau study of lattice gases on geodesic gridsWe study a family of lattice-gas systems defined on semiregular grids, obtained by projecting the vertices of three different geodesic icosahedra onto a spherical surface. By using couplings up to…Gabriele Costa, Santi Prestipino·Jan 19, 2026SaveLearn
Classification of instabilities for the nonideal Brusselator modelWe investigate a nonideal, thermodynamically consistent Brusselator reaction-diffusion (RD) system that explicitly incorporates molecular interactions among species in both the diffusion process and…Premashis Kumar, Massimiliano Esposito, Timur Aslyamov·Jan 19, 2026SaveLearn
Direct measurement of the Orderphobic EffectFluctuation-induced forces, such as the Critical Casimir Effect (CCE), are fundamental mechanisms driving organization and self-assembly near second-order phase transitions. The existence of a…O. D. Lunn, J. G. Downs, K. K. Mandadapu et al.·Jan 19, 2026SaveLearn
A generalized work theorem for stopped stochastic chemical reaction networksWe establish a generalized work theorem for stochastic chemical reaction networks (CRNs). By using a compensated Poisson jump process, we identify a martingale structure in a generalized entropy…Xiangting Li, Tom Chou·Jan 19, 2026SaveLearn
WH Statistics: Generalized Pauli Principle for Partially Distinguishable ParticlesTraditional statistical mechanics is constrained by the binary paradigms of identical/distinguishable and bosonic/fermionic particle statistics, leading to a fundamental logical gap in describing…Wang Hao, Meng Yancen, Zhang Kuang et al.·Jan 19, 2026SaveLearn
Large clusters in a correlated percolation modelWe consider a correlated site percolation problem on a cubic lattice of size L3, with 16 L 512. The sites of an initially full lattice are removed by a random walk of N=uL3…Raz Halifa Levi, Yacov Kantor·Jan 18, 2026SaveLearn