BROWNIAN TYPE OF MOTION OF A RANDOMLY KICKED PARTICLE FAR FROM AND CLOSE TO THE DIFFUSION LIMIT

被引：7

作者：

BARKAI, E

FLEUROV, V

机构：

[1] Beverly and Raymond Sackler, School of Physics and Astronomy, Tel Aviv University

来源：

PHYSICAL REVIEW E | 1995年 / 52卷 / 02期

关键词：

D O I：

10.1103/PhysRevE.52.1558

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 motion of a classical test particle, which evolves deterministically in a potential field and where at a given rate its velocity is randomized, is investigated. A path integral approach is used to find exact solutions for the free and harmonically bound particles. Both the exact solution and numerical solution for a nonlinear case show large deviations from the diffusion limit.

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页码：1558 / 1570

页数：13

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