Stochastic synchronization in globally coupled phase oscillators

被引：6
|
作者：
Sakaguchi, H [1 ]
机构：
[1] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, Dept Appl Sci Elect & Mat, Fukuoka 8168580, Japan
来源：
PHYSICAL REVIEW E | 2002年 / 66卷 / 05期
关键词：
D O I：
10.1103/PhysRevE.66.056129
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：
Cooperative effects of periodic force and noise in globally coupled systems are studied using a nonlinear diffusion equation for the number density. The amplitude of the order parameter oscillation is enhanced in an intermediate range of noise strength for a globally coupled bistable system, and the order parameter oscillation is entrained to the external periodic force in an intermediate range of noise strength. These enhancement phenomena of the response of the order parameter in the deterministic equations are interpreted as stochastic resonance and stochastic synchronization in globally coupled systems.
引用
收藏
页码：5 / 056129
页数：5
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