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cond-mat.stat-mech2026

Domain-wall melting in all-to-all QSSEP from random-matrix theory

Denis Bernard, Lorenzo Piroli, Stefano Scopa

We study the melting of a domain wall in the quantum simple exclusion process with all-to-all hoppings (a.k.a. the charged SYK model). We show that the real-time dynamics of ph…

cond-mat.stat-mech2026

Computing Nonequilibrium Transport from Short-Time Transients: From Lorentz Gas to Heat Conduction in One Dimensional Chains

Davide Carbone, Vincenzo Di Florio, Stefano Lepri +1

We test the Transient Time Correlation Function (TTCF) method to compute nonequilibrium transport coefficients, highlighting its conceptual and practical difference from the standa…

cond-mat.stat-mech2025★ 1 cited

Efficient Monte Carlo sampling of metastable systems using non-local collective variable updates

Christoph Schönle, Davide Carbone, Marylou Gabrié +2

Monte Carlo simulations are widely used to simulate complex molecular systems, but standard approaches suffer from metastability. Lately, the use of non-local proposal updates in a…

cond-mat.stat-mech2025

The Tracy-Widom distribution at large Dyson index

Alain Comtet, Pierre Le Doussal, Naftali R. Smith

We study the Tracy-Widom (TW) distribution in the limit of large Dyson index . This distribution describes the fluctuations of the rescaled largest eigenvalu…

cond-mat.stat-mech2025★ 1 cited

Analytical solution of a free-fermion chain with time-dependent ramps

Viktor Eisler, Riccarda Bonsignori, Stefano Scopa

We provide an exact analytical solution of the single-particle Schrödinger equation for a chain of non-interacting fermions subject to a time-dependent linear potential, with its s…

cond-mat.stat-mech2025★ 1 cited

Quenched properties of the Spectral Form Factor

Dimitrios Charamis, Manas Kulkarni, Jorge Kurchan +1

The Spectral Form Factor (SFF) is defined as the modulus squared of the partition function in complex temperature for hermitian matrices and a suitable generalisation has been give…

cond-mat.stat-mech2025★ 1 cited

Entropy Production from Density Field Theories for interacting particles systems

Antonin Brossollet, Giulio Biroli

Entropy production quantifies the breaking of time-reversal symmetry in non-equilibrium systems. Here, we develop a direct method to obtain closed, tractable expressions for entrop…

cond-mat.stat-mech2025

Bayesian critical points in classical lattice models

Adam Nahum, Jesper Lykke Jacobsen

The Boltzmann distribution encodes our subjective knowledge of the configuration in a classical lattice model, given only its Hamiltonian. If we acquire further information about t…

cond-mat.stat-mech2025★ 1 cited

Linear statistics at the microscopic scale for the 2D Coulomb gas

Pierre Le Doussal, Gregory Schehr

We consider the classical Coulomb gas in two dimensions at the inverse temperature , confined within a droplet of radius by a rotationally invariant potential . For…

cond-mat.stat-mech2025★ 2 cited

Velocity trapping in the lifted TASEP and the true self-avoiding random walk

Brune Massoulié, Clément Erignoux, Cristina Toninelli +1

We discuss non-reversible Markov-chain Monte Carlo algorithms that, for particle systems, rigorously sample the positional Boltzmann distribution and that have faster than physical…

cond-mat.stat-mech2025★ 7 cited

Large deviations of density fluctuations in the boundary driven Quantum Symmetric Simple Inclusion Process

Denis Bernard, Tony Jin, Stefano Scopa +1

We consider the boundary driven Quantum Symmetric Simple Inclusion Process (QSSIP) which describes a one-dimensional system of bosonic particles with stochastic nearest-neighbor ho…

cond-mat.stat-mech2024★ 1 cited

Effective Energy, Interactions And Out Of Equilibrium Nature Of Scalar Active Matter

Antonin Brossollet, Etienne Lempereur, Stéphane Mallat +1

Estimating the effective energy, of a stationary probability distribution is a challenge for non-equilibrium steady states. Its solution could offer a novel framewor…

cond-mat.stat-mech2024★ 4 cited

Spatio-temporal fluctuations in the passive and active Riesz gas on the circle

Leo Touzo, Pierre Le Doussal, Gregory Schehr

We consider a periodic Riesz gas consisting of classical particles on a circle, interacting via a two-body repulsive potential which behaves locally as a power law of the dista…

cond-mat.stat-mech2024★ 1 cited

Enhanced correlations due to ballistic transport

Damiano De Angelis, Jacopo De Nardis, Stefano Scopa

We investigate the nature of density-density correlations in a 1D gas of hard-core particles initially prepared at equilibrium (either at zero or finite temperature) on a semi-infi…

cond-mat.stat-mech2024★ 5 cited

Optimal control of levitated nanoparticles through finite-stiffness confinement

Marco Baldovin, Ines Ben Yedder, Carlos A. Plata +4

Optimal control of levitated nanoparticles subjected to thermal fluctuations is a challenging problem, both theoretically and experimentally. In this Letter, we compute the time-de…

cond-mat.stat-mech2024★ 3 cited

Symmetry classes of classical stochastic processes

Lucas Sá, Pedro Ribeiro, Tomaž Prosen +1

We perform a systematic symmetry classification of the Markov generators of classical stochastic processes. Our classification scheme is based on the action of involutive symmetry…

cond-mat.stat-mech2024★ 2 cited

Markov-chain sampling for long-range systems without evaluating the energy

Gabriele Tartero, Werner Krauth

In past decades, enormous effort has been expended to develop algorithms and even to construct special-purpose computers in order to efficiently evaluate total energies and forces…

cond-mat.stat-mech2024★ 4 cited

Siegmund duality for physicists: a bridge between spatial and first-passage properties of continuous and discrete time stochastic processes

Mathis Guéneau, Léo Touzo

We consider a generic one-dimensional stochastic process , or a random walk , which describes the position of a particle evolving inside an interval , with absorb…

cond-mat.stat-mech2024★ 25 cited

Yielding and plasticity in amorphous solids

Ludovic Berthier, Giulio Biroli, M. Lisa Manning +1

The physics of disordered media, from metallic glasses to colloidal suspensions, granular matter and biological tissues, offers difficult challenges because it often occurs far fro…

cond-mat.stat-mech2024★ 21 cited

Hyperuniformity in the Manna Model, Conserved Directed Percolation and Depinning

Kay Joerg Wiese

Hyperuniformity is an emergent property, whereby the structure factor of the density scales as , with . We show that for the conserved directed percolation…

cond-mat.stat-mech2024★ 12 cited

A Dyson Brownian motion model for weak measurements in chaotic quantum systems

Federico Gerbino, Pierre Le Doussal, Guido Giachetti +1

We consider a toy model for the study of monitored dynamics in a many-body quantum systems. We study the stochastic Schrodinger equation resulting from the continuous monitoring wi…

cond-mat.stat-mech2023★ 2 cited

Universality classes for purification in nonunitary quantum processes

Andrea De Luca, Chunxiao Liu, Adam Nahum +1

We consider universal aspects of two problems: (i) the slow purification of a large number of qubits by repeated quantum measurements, and (ii) the singular value structure of a pr…

cond-mat.stat-mech2023★ 2 cited

Diameters of symmetric and lifted simple exclusion models

Xusheng Zhang, Werner Krauth

We determine diameters of Markov chains describing one-dimensional N -particle models with an exclusion interaction, namely the Ssep (symmetric simple exclusion process) and one of…

cond-mat.stat-mech2023★ 9 cited

Concepts in Monte Carlo sampling

Gabriele Tartero, Werner Krauth

We discuss modern ideas in Monte Carlo algorithms in the simplified setting of the one-dimensional anharmonic oscillator. After reviewing the connection between molecular dynamics…