Noise-induced synchronization of a large population of globally coupled nonidentical oscillators

被引：69
|
作者：
Nagai, Ken H. [1 ]
Kori, Hiroshi [1 ,2 ]
机构：
[1] Ochanomizu Univ, Div Adv Sci, Tokyo 1128610, Japan
[2] Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3320012, Japan
来源：
PHYSICAL REVIEW E | 2010年 / 81卷 / 06期
关键词：
DYNAMICS; PATTERNS; MODEL;
D O I：
10.1103/PhysRevE.81.065202
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：
We study a large population of globally coupled phase oscillators subject to common white Gaussian noise and find analytically that the critical coupling strength between oscillators for synchronization transition decreases with an increase in the intensity of common noise. Thus, common noise promotes the onset of synchronization. Our prediction is confirmed by numerical simulations of the phase oscillators as well as of limit-cycle oscillators.
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页数：4
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