Effective stochastic resonance under noise of heterogeneous amplitude

被引：4

作者：

Kawai, Ryosuke ^{[1
]}

Torigoe, Shogo ^{[1
]}

Yoshida, Kazuhiro ^{[2
]}

Awazu, Akinori ^{[1
]}

Nishimori, Hiraku ^{[1
]}

机构：

[1] Hiroshima Univ, Dept Math & Life Sci, Higashihiroshima 7398526, Japan

[2] Osaka Prefecture Univ, Dept Math Sci, Sakai, Osaka 5998531, Japan

来源：

PHYSICAL REVIEW E | 2010年 / 82卷 / 05期

基金：

日本学术振兴会;

关键词：

ENHANCEMENT; SYSTEM;

D O I：

10.1103/PhysRevE.82.051122

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Stochastic resonance is numerically and analytically studied using a model wherein two coupled particles are exposed to noise of heterogeneous (i.e., particle-dependent) amplitude. In a certain range of coupling constant and under noise of heterogeneous amplitude, a particle is observed to resonate intensively to the external field. In other words, one particle under noise of very small or zero amplitude exhibits intensive resonance with the assistance of a highly fluctuating second particle under noise of large amplitude. This intensive resonance is interpreted as a product of the unique combinatory dynamics between one particle that stochastically fluctuates and another particle that classically resonates to the external field.

引用

页数：7

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