Coarsening dynamics of a quasi-one-dimensional driven lattice gas

被引：32

作者：

Mettetal, JT ^{[1
]}

Schmittmann, B ^{[1
]}

Zia, RKP ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Dept Phys, Ctr Stochast Proc Sci & Engn, Blacksburg, VA 24061 USA

来源：

EUROPHYSICS LETTERS | 2002年 / 58卷 / 05期

关键词：

D O I：

10.1209/epl/i2002-00399-6

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study domain growth properties of two species of particles executing biased diffusion on a half-filled square lattice, consisting of just two lanes. Driven in opposite directions by an external "electric" field, the particles form clusters due to steric hindrance. While strictly one-dimensional systems remain disordered, clusters in our "quasi-1D" case grow until only a single macroscopic cluster survives. In the coarsening regime, the average cluster size increases significantly faster than in purely diffusion-controlled systems, with an effective exponent of at least 0.6. Remarkably, however, the cluster size distribution displays dynamic scaling, following a form consistent with a diffusion-limited growth mechanism.

引用

页码：653 / 659

页数：7

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