Quenching problem of globally coupled bistable stochastic systems with finite size

被引：3
|
作者：
Zhang, Y [1 ]
Hu, G
机构：
[1] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China
[2] CCAST, World Lab, Ctr Theoret Phys, Beijing 8730, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL B | 1998年 / 3卷 / 02期
关键词：
D O I：
10.1007/s100510050310
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The transient process of globally coupled bistable systems from an unstable state to metastable state (i.e, quenching process) is studied analytically for small noise intensity. The influences of noise intensity and system size on the system evolution are investigated. The problem of a large number of coupled Langevin equations is reduced to a simple problem of a one-dimensional ordinary differential equation, subject to a white noise with intensity explicitly given. The analytical results are fully confirmed by direct numerical computations.
引用
收藏
页码：253 / 256
页数：4
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