Mean first-passage time in a bistable kinetic model with stochastic potentials

被引：2
|
作者：
Ai, Bao-Quan [1 ]
Zheng, Hua
Zhang, Xue-Rong
Wang, Ning-Xing
Liu, Liang-Gang
机构：
[1] S China Normal Univ, Sch Phys & Telecommun Engn, Guangzhou 510006, Peoples R China
[2] Macao Univ Sci & Technol, Fac Informat Technol, Macao, Peoples R China
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2006年 / 45卷 / 11期
关键词：
D O I：
10.1007/s10773-006-9180-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The transient properties of a bistable system with the stochastic potentials are investigated. The explicit expressions of the mean first-passage time (MFPT) are obtained by using a steepest-descent approximation. The results show that the MFPT of the system increases with the amplitude Delta of the stochastic potential, decreases with the noise intensity D and the correlation length l. The stochastic potential makes against the particle moving towards the destination.
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页码：2173 / 2179
页数：7
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