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We obtain the exact large deviation functions of the density profile and of the current, in the non-equilibrium steady state of a one dimensional symmetric simple exclusion process coupled to boundary reservoirs with slow rates. Compared to…

统计力学 · 物理学 2021-02-03 Bernard Derrida , Ori Hirschberg , Tridib Sadhu

We consider the one-dimensional partially asymmetric zero range process where the hopping rates as well as the easy direction of hopping are random variables. For this type of disorder there is a condensation phenomena in the thermodynamic…

统计力学 · 物理学 2009-11-11 Róbert Juhász , Ludger Santen , Ferenc Iglói

Simple exclusion processes for particles moving along two parallel lattices and jumping between them are theoretically investigated for asymmetric rates of transition between the channels. An approximate theoretical approach, that describes…

统计力学 · 物理学 2009-11-11 Ekaterina Pronina , Anatoly B. Kolomeisky

Stochastic particle--based models are useful tools for describing the collective movement of large crowds of pedestrians in crowded confined environments. Using descriptions based on the simple exclusion process, two populations of…

统计力学 · 物理学 2020-08-26 Emilio N. M. Cirillo , Matteo Colangeli , Adrian Muntean , T. K. Thoa Thieu

We consider the one dimensional symmetric simple exclusion process with a slow bond. In this model, particles cross each bond at rate $N^2$, except one particular bond, the slow bond, where the rate is $N$. Above, $N$ is the scaling…

概率论 · 数学 2021-03-17 Xiaofeng Xue , Linjie Zhao

The aim of this paper is to discuss the appropriate modelling of in- and outflow boundary conditions for nonlinear drift-diffusion models for the transport of particles including size exclusion and their effect on the behaviour of…

偏微分方程分析 · 数学 2016-11-03 Martin Burger , Jan-Frederik Pietschmann

We study an asymmetric simple exclusion process in a strip in the presence of a solid impenetrable barrier. We focus on the effect of the barrier on the residence time of the particles, namely, the typical time needed by the particles to…

统计力学 · 物理学 2016-10-19 Emilio N. M. Cirillo , Adrian Muntean , Oleg Krehel , Rutger van Santen

We study the transport properties of a system of active particles moving at constant speed in an heterogeneous two-dimensional space. The spatial heterogeneity is modeled by a random distribution of obstacles, which the active particles…

生物物理 · 物理学 2013-10-23 Oleksandr Chepizhko , Fernando Peruani

The misanthrope process is a class of stochastic interacting particle systems, generalizing the simple exclusion process. It allows each site of the lattice to accommodate more than one particle. We consider a special case of the one…

元胞自动机与格子气 · 物理学 2016-07-29 Chikashi Arita , Chihiro Matsui

We address the dynamics of interacting particles on a disordered lattice formed by a random comb. The dynamics comprises that of the asymmetric simple exclusion process, whereby motion to nearest-neighour sites that are empty is more likely…

统计力学 · 物理学 2025-06-03 Mrinal Sarkar , Shamik Gupta

We present a study of exclusion process on a peculiar topology of network with two intersected lanes, competing for the particles in a reservoir with finite capacity. To provide a theoretical ground for our findings, we exploit mean-field…

统计力学 · 物理学 2021-08-04 Akriti Jindal , Arvind Kumar Gupta

We consider the symmetric simple exclusion processes with a slow site in the discrete torus with $n$ sites. In this model, particles perform nearest-neighbor symmetric random walks with jump rates everywhere equal to one, except at one…

概率论 · 数学 2015-08-28 Tertuliano Franco , Patrícia Gonçalves , Gunter M. Schütz

The exclusion process in which particles may jump any distance l>=1 with the probability that decays as l^-(1+sigma) is studied from coarse-grained equation for density profile in the limit when the lattice spacing goes to zero. For…

统计力学 · 物理学 2008-05-16 J. Szavits-Nossan , K. Uzelac

We consider the persistent exclusion process in which a set of persistent random walkers interact via hard-core exclusion on a hypercubic lattice in $d$ dimensions. We work within the ballistic regime whereby particles continue to hop in…

统计力学 · 物理学 2020-11-23 Matthew J. Metson , Martin R. Evans , Richard A. Blythe

When particle flux is regulated by multiple factors such as particle supply and varying transport rate, it is important to identify the respective dominant regimes. We extend the well-studied totally asymmetric simple exclusion model to…

统计力学 · 物理学 2013-10-30 L. Jonathan Cook , J. J. Dong , Alexander LaFleur

We consider a one-dimensional continuous time random walk with transition rates depending on an underlying autonomous simple symmetric exclusion process starting out of equilibrium. This model represents an example of a random walk in a…

概率论 · 数学 2016-11-26 Luca Avena , Tertuliano Franco , Milton Jara , Florian Völlering

We study semi-infinite particle systems on the one-dimensional integer lattice, where each particle performs a continuous-time nearest-neighbour random walk, with jump rates intrinsic to each particle, subject to an exclusion interaction…

概率论 · 数学 2024-12-20 Mikhail Menshikov , Serguei Popov , Andrew Wade

We consider the hydrodynamic behavior of some conservative particle systems with degenerate jump rates without exclusive constraints. More precisely, we study the particle systems without restrictions on the total number of particles per…

概率论 · 数学 2017-05-01 Makiko Sasada

As a solvable and broadly applicable model system, the totally asymmetric exclusion process enjoys iconic status in the theory of non-equilibrium phase transitions. Here, we focus on the time dependence of the total number of particles on a…

统计力学 · 物理学 2009-11-13 D. A. Adams , R. K. P Zia , B. Schmittmann

We consider the one-dimensional symmetric simple exclusion process with a slow bond. In this model, whilst all the transition rates are equal to one, a particular bond, the \emph{slow bond}, has associated transition rate of value $N^{-1}$,…

概率论 · 数学 2017-02-08 Tertuliano Franco , Adriana Neumann