Multiple time-scale approach for a system of Brownian particles in a nonuniform temperature field

被引：14

作者：

Lopez, Cristobal ^{[1
]}

Marini, Umberto

Marconi, Bettolo

机构：

[1] Univ Islas Baleares, CSIC UIB, IMEDEA, E-07122 Palma de Mallorca, Spain

[2] Dipartimento Fis, I-68032 Camerino, MC, Italy

来源：

PHYSICAL REVIEW E | 2007年 / 75卷 / 02期

关键词：

D O I：

10.1103/PhysRevE.75.021101

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The Smoluchowski equation for a system of Brownian particles in a temperature gradient is derived from the Kramers equation by means of a multiple time-scale method. The interparticle interactions are assumed to be represented by a mean-field description. We present numerical results that compare well with the theoretical prediction together with an extensive discussion on the prescription of the Langevin equation in overdamped systems.

引用

页数：6

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