Driven diffusive system: A study on large n limit

Details Driven diffusive system: A study on large n limit Driven diffusive system: A study on large n limit

2000-08-09

arxiv.org/abs/cond-mat/0008148v1

Physics

Condensed Matter

Statistical Mechanics

4 pages, no figure, Latex, to appear in European Physical Journal B

Scientific paper

10.1007/s100510070091

We study the generalized $n$ component model of a driven diffusive system with annealed random drive in the large $n$ limit. This non-equilibrium model also describes conserved order parameter dynamics of an equilibrium model of ferromagnets with dipolar interaction. In this limit, at zero temperature a saddle point approximation becomes exact. The length scale in the direction transverse to the driving field acquires an additional logarithmic correction in this limit.

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