Effect of the potential shape and of a Brownian particle mass on noise-induced transport

被引：5
|
作者：
Landa, PS
Zaikin, A
Shimansky-Geier, L
机构：
[1] Univ Potsdam, Inst Phys, D-14469 Potsdam, Germany
[2] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119899, Russia
[3] Humboldt Univ, D-10115 Berlin, Germany
来源：
CHAOS SOLITONS & FRACTALS | 2001年 / 12卷 / 08期
关键词：
D O I：
10.1016/S0960-0779(00)00119-3
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The noise-induced transport of a Brownian particle with regard to its mass is considered. The results of approximate analytical calculations for the averaged probability flux in periodic ratchet-like potentials are presented. The influence of the potential shape on the mean particle velocity is traced. In the case of sufficiently small particle mass, it is shown that with increase in mass the reversal of flux is possible. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1459 / 1471
页数：13
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