Brownian motion in short range random potentials

被引：46
|
作者：
Romero, AH [1 ]
Sancho, JM
机构：
[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
[2] Univ Calif San Diego, Dept Biochem & Chem, La Jolla, CA 92093 USA
[3] Univ Calif San Diego, Dept 0407, Inst Nonlinear Sci, La Jolla, CA 92093 USA
[4] Dept Estructura & Constituents Mat, Barcelona 08028, Spain
来源：
PHYSICAL REVIEW E | 1998年 / 58卷 / 03期
关键词：
D O I：
10.1103/PhysRevE.58.2833
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：
A numerical study of Brownian motion of noninteracting particles in random potentials is presented. The dynamics are modeled by Langevin equations in the high friction limit. The random potentials are Gaussian distributed and short ranged. The simulations are performed in one and two:dimensions. Different dynamical regimes are found and explained. Effective subdiffusive exponents are obtained and commented on.
引用
收藏
页码：2833 / 2837
页数：5
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