Dynamical symmetry breaking and phase transitions in driven diffusive systems

Y Baek, Y Kafri, V Lecomte - Physical review letters, 2017 - APS
We study the probability distribution of a current flowing through a diffusive system
connected to a pair of reservoirs at its two ends. Sufficient conditions for the occurrence of a …

Large deviations and dynamical phase transitions in stochastic chemical networks

A Lazarescu, T Cossetto, G Falasco… - The Journal of Chemical …, 2019 - pubs.aip.org
Chemical reaction networks offer a natural nonlinear generalization of linear Markov jump
processes on a finite state-space. In this paper, we analyze the dynamical large deviations …

Generic dynamical phase transition in one-dimensional bulk-driven lattice gases with exclusion

A Lazarescu - Journal of Physics A: Mathematical and …, 2017 - iopscience.iop.org
Dynamical phase transitions are crucial features of the fluctuations of statistical systems,
corresponding to boundaries between qualitatively different mechanisms of maintaining …

Dynamical phase transitions in the current distribution of driven diffusive channels

Y Baek, Y Kafri, V Lecomte - Journal of Physics A: Mathematical …, 2018 - iopscience.iop.org
We study singularities in the large deviation function of the time-averaged current of diffusive
systems connected to two reservoirs. A set of conditions for the occurrence of phase …

Fluctuating hydrodynamics, current fluctuations, and hyperuniformity in boundary-driven open quantum chains

F Carollo, JP Garrahan, I Lesanovsky… - Physical Review E, 2017 - APS
We consider a class of either fermionic or bosonic noninteracting open quantum chains
driven by dissipative interactions at the boundaries and study the interplay of coherent …

Emerging universality classes in thermally assisted activation of interacting diffusive systems: A perturbative hydrodynamic approach

V Kumar, A Pal, O Shpielberg - The Journal of Chemical Physics, 2024 - pubs.aip.org
Thermal activation of a particle from a deep potential trap follows the Arrhenius law.
Recently, this result has been generalized for interacting diffusive particles in the trap …

Thermodynamic uncertainty relations for many-body systems with fast jump rates and large occupancies

O Shpielberg, A Pal - Physical Review E, 2021 - APS
A universal large N theory of nonequilibrium fluctuations emerges in the limit of fast jump
rates and large occupancies. We use this theory to derive a set of coarse-grained …

Finite-size and finite-time effects in large deviation functions near dynamical symmetry breaking transitions

Y Baek, Y Kafri, V Lecomte - Journal of Statistical Mechanics …, 2019 - iopscience.iop.org
We introduce and study a class of particle hopping models consisting of a single box
coupled to a pair of reservoirs. Despite being zero-dimensional, in the limit of large particle …

Diffusion and entanglement in open quantum systems

O Shpielberg - Europhysics Letters, 2020 - iopscience.iop.org
The macroscopic fluctuation theory provides a complete hydrodynamic description of
nonequilibrium classical diffusive systems. As a first step towards a diffusive theory of open …

Einstein's fluctuation relation and Gibbs states far from equilibrium

A Lazarescu - Journal of Physics A: Mathematical and …, 2020 - iopscience.iop.org
We examine a class of one-dimensional lattice-gases characterised by a gradient condition
which is a necessary and sufficient condition for the existence of Gibbs-type homogeneous …