Effects of self-correlation time on stability of metastable state in logistic model

被引：5
|
作者：
Yang, L. J. [1 ]
Wang, C. J. [2 ]
机构：
[1] Yunnan Univ Chinese Tradit Med, Coll Med, Kunming 650500, Peoples R China
[2] Baoji Univ Arts & Sci, Nonlinear Res Inst, Baoji 721016, Peoples R China
来源：
INDIAN JOURNAL OF PHYSICS | 2014年 / 88卷 / 01期
关键词：
Logistic model; Stability; Self-correlation time; FOKKER-PLANCK EQUATION; NOISE; DRIVEN;
D O I：
10.1007/s12648-013-0383-4
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Effects of colored noise on stability of metastable state in logistic model are studied by means of Fox approach and steepest-descent approximation. The expression for mean first-passage time from metastable state to stable state is derived firstly. Based on the expression, we analyze effects of colored noise. Results indicate: that stability of the metastable state always weakens as multiplicative noise intensity and additive noise intensity increase. However, it is always enhanced as self-correlation time of multiplicative noise and cross-correlation degree between multiplicative noise and additive noise increases.
引用
收藏
页码：103 / 106
页数：4
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