Time-delay induced symmetry restoration and noise enhanced stability phenomena under correlated noises in an asymmetric bistable system

被引：4
|
作者：
Long, F. [1 ]
机构：
[1] Kunming Univ Sci & Technol, Fac Sci, Kunming 650500, Peoples R China
来源：
INDIAN JOURNAL OF PHYSICS | 2014年 / 88卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Time delay; Symmetry restoration; Noise enhanced stability; Correlated noises; Bistable system; MEAN 1ST-PASSAGE TIME; STOCHASTIC RESONANCE; FLUCTUATING BARRIERS; METASTABLE STATE; COLORED NOISE; SUPPRESSION; ACTIVATION; FEEDBACK; BEHAVIOR; DRIVEN;
D O I：
10.1007/s12648-014-0508-4
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider the effects of time delay on the probability distribution function and the transition rate in an asymmetric bistable system with cross-correlated noises in this paper. The probability distribution function and the transition rate of the system are calculated analytically and numerically. We find that, by increasing the delay time tau, the symmetry of the asymmetric bistable system is restored and the state transition rate k of the system decreases with the activation rate, which corresponds to the phenomenon of noise enhanced stability.
引用
收藏
页码：1111 / 1116
页数：6
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