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We consider a lattice gas interacting by the exclusion rule in the presence of a random field given by i.i.d. bounded random variables in a bounded domain in contact with particles reservoir at different densities. We show, in dimensions $d…

概率论 · 数学 2015-05-13 Mustapha Mourragui , Enza Orlandi

A particle system with a single locally-conserved field (density) in a bounded interval with different densities maintained at the two endpoints of the interval is under study here. The particles interact in the bulk through a long range…

概率论 · 数学 2012-10-02 Mustapha Mourragui , Enza Orlandi

In the dilute limit, the properties of fermionic lattice models with short-range attractive interactions converge to those of a dilute Fermi gas in continuum space. We investigate this connection using mean-field and we show that the…

量子气体 · 物理学 2012-01-31 A. Privitera , M. Capone

Collective diffusion coefficient in a one dimensional lattice gas adsorbate is calculated using variational approach. Particles interact via either a long-range, or a long range electron-gas-mediated (for a metallic substrate), or a…

材料科学 · 物理学 2009-05-26 Filip Krzyżewski , Magdalena A. Załuska-Kotur

We present an extension of a simple automaton model to incorporate non-local interactions extending over a spatial range in lattice gases. {}From the viewpoint of Statistical Mechanics, the lattice gas with interaction range may serve as a…

comp-gas · 物理学 2016-08-31 Olivier Tribel , Jean Pierre Boon

We propose a general formalism to study the static properties of a system composed of particles with nearest neighbor interactions that are located on the sites of a one-dimensional lattice confined by walls (``confined Takahashi lattice…

统计力学 · 物理学 2015-06-25 Joachim Buschle , Philipp Maass , Wolfgang Dieterich

Boundary-induced transport in particle systems with anomalous diffusion exhibits rectification, negative resistance, and hysteresis phenomena depending on the way the drive acts on the boundary. The solvable case of a 1D system…

统计力学 · 物理学 2009-11-07 Mauro Sellitto

We consider a lattice gas evolving in a bounded cylinder of length 2N + 1 and interacting via a Neuman Kac interaction of range N, in contact with particles reservoirs at different densities. We investigate the associated law of large…

概率论 · 数学 2014-06-06 Mustapha Mourragui

We derive exact density functionals for systems of hard rods with first-neighbor interactions of arbitrary shape but limited range on a one-dimensional lattice. The size of all rods is the same integer unit of the lattice constant. The…

统计力学 · 物理学 2013-12-17 Benaoumeur Bakhti , Gerhard Müller , Philipp Maass

In the paper, assuming that the motion of rarefied gases in a bounded domain is governed by the angular cutoff Boltzmann equation with diffuse reflection boundary, we study the effects of both soft intermolecular interaction and…

偏微分方程分析 · 数学 2019-09-04 Renjun Duan , Feimin Huang , Yong Wang , Zhu Zhang

The distinguishability of at least two species of particles in the classical lattice gas with no interactions except hard-core exclusion entails additional interparticle correlations. A nonlinear mixing flow appears and manifests itself…

统计力学 · 物理学 2013-02-07 O. V. Kliushnychenko , S. P. Lukyanets

We investigate the non-equilibrium stationary state of a translationally invariant one-dimensional driven lattice gas with short-range interactions. The phase diagram is found to exhibit a line of continuous transitions from a disordered…

统计力学 · 物理学 2009-10-31 Dirk Helbing , David Mukamel , Gunter M. Schutz

The equilibrium statistical mechanics of one-dimensional lattice gases with interactions of arbitrary range and shape between first-neighbor atoms is solved exactly on the basis of statistically interacting vacancy particles. Two sets of…

统计力学 · 物理学 2014-01-30 Benaoumeur Bakhti , Michael Karbach , Philipp Maass , Mohammad Mokim , Gerhard Muller

We study the dynamics of the totally asymmetric exclusion process with open boundaries by phenomenological theories complemented by extensive Monte-Carlo simulations. Upon combining domain wall theory with a kinetic approach known as…

软凝聚态物质 · 物理学 2007-05-23 P. Pierobon , A. Parmeggiani , F. von Oppen , E. Frey

An analysis of the random lattice gas in the annealed limit is presented. The statistical mechanics of disordered lattice systems is briefly reviewed. For the case of the lattice gas with an arbitrary uniform interaction potential and…

统计力学 · 物理学 2011-11-09 A. P. Vieira , L. L. Goncalves

Weakly interacting Fermi gases exhibit rich collective dynamics in spin-dependent potentials, arising from correlations between spin degrees of freedom and conserved single atom energies, offering broad prospects for simulating many-body…

量子气体 · 物理学 2021-01-28 S. Pegahan , J. Kangara , I. Arakelyan , J. E. Thomas

We study a lattice model describing the non-equilibrium dynamics emerging from the pulling of a tracer particle through a disordered medium occupied by randomly placed obstacles. The model is considered in a restricted geometry pertinent…

统计力学 · 物理学 2026-03-09 A. Squarcini , A. Tinti , P. Illien , O. Bénichou , T. Franosch

The transport phenomena of a nonequilibrium lattice gas system are investigated. We consider a simple system that consists of two particles interacting repulsively and the potential forces acting on these particles. Under an external…

软凝聚态物质 · 物理学 2009-11-11 Akinori Awazu

We discuss stationary aspects of a set of driven lattice gases in which hard-core particles with spatial extent, covering more than one lattice site, diffuse and reconstruct in one dimension under nearest-neighbor interactions. As in the…

统计力学 · 物理学 2011-12-30 M. D. Grynberg

We study boundary induced phase transitions in a driven lattice gas exhibiting metastability. The phase diagram for open systems, parameterized by the input and output rates, consists of two regions corresponding to the free flow and jammed…

统计力学 · 物理学 2010-05-11 Cecile Appert , Ludger Santen