Coherence resonance in a washboard potential

被引：4

作者：

Casado, JM ^{[1
]}

机构：

[1] Univ Sevilla, Area Fis Teor, E-41080 Seville, Spain

来源：

PHYSICS LETTERS A | 2001年 / 291卷 / 2-3期

关键词：

dynamical systems; noise; coherence resonance; phase drift;

D O I：

10.1016/S0375-9601(01)00727-7

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this Letter, the first two moments of the distribution of first passage times between two adjacent minima in a washboard potential are obtained numerically and the coherence of the noise-induced motion along the energy landscape is analyzed as a function of the noise intensity. It is shown that, although in this system the mobility does not present stochastic resonant behaviour, coherence can be enhanced by selecting a finite level of noise. The application of this model to describe random phase drifts in a neurobiological model is suggested. (C) 2001 Published by Elsevier Science B.V.

引用

页码：82 / 86

页数：5

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