Dynamic behavior of anisotropic non-equilibrium driving lattice gases

Details Dynamic behavior of anisotropic non-equilibrium driving lattice gases Dynamic behavior of anisotropic non-equilibrium driving lattice gases

2002-10-07

arxiv.org/abs/cond-mat/0210141v1

published in PRL (Vol 88, number 14, 145701 (2002))

Physics

Condensed Matter

Statistical Mechanics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.88.145701

It is shown that intrinsically anisotropic non-equilibrium systems relaxing by a dynamic process exhibit universal critical behavior during their evolution toward non-equilibrium stationary states. An anisotropic scaling anzats for the dynamics is proposed and tested numerically. Relevant critical exponents can be evaluated self-consistently using both the short- and long-time dynamics frameworks. The obtained results allow us to clarify a long-standing controversy about the theoretical description, the universality and the origin of the anisotropy of driven diffusive systems, showing that the standard field theory does not hold and supporting a recently proposed alternative theory.

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