Damage spreading in a driven lattice gas model

M. Leticia Rubio Puzzo, Gustavo P. Saracco and Ezequiel V. Albano

Physica A: Statistical Mechanics and its Applications, 2013, vol. 392, issue 11, 2680-2687

Abstract: We studied damage spreading in a Driven Lattice Gas (DLG) model as a function of the temperature T, the magnitude of the external driving field E, and the lattice size. The DLG model undergoes an order–disorder second-order phase transition at the critical temperature Tc(E), such that the ordered phase is characterized by high-density strips running along the direction of the applied field; while in the disordered phase one has a lattice-gas-like behavior. It is found that the damage always spreads for all the investigated temperatures and reaches a saturation value Dsat that depends only on T. Dsat increases for TTc(E=∞) and is free of finite-size effects. This behavior can be explained as due to the existence of interfaces between the high-density strips and the lattice-gas-like phase whose roughness depends on T. Also, we investigated damage spreading for a range of finite fields as a function of T, finding a behavior similar to that of the case with E=∞.

Keywords: Damage spreading; Driven lattice gas; Monte Carlo simulations (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:392:y:2013:i:11:p:2680-2687

DOI: 10.1016/j.physa.2013.01.018

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