Cooperative effects of parameter heterogeneity and coupling on coherence resonance in unidirectional coupled brusselator system

Two unidirectional coupled brusselator systems, subject to common and uncorrelated multiplicative noise, are investigated, respectively. It can be found that, the parameter heterogeneity effect may be destroyed above critical coupling strength. Synchronization occurs between subsystems subjected to...

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Bibliographic Details
Published in:Physics letters. A 2007-01, Vol.360 (4), p.593-598
Main Authors: Li, Qian-Shu, Shi, Jian-Cheng
Format: Article
Language:English
Subjects:
Brusselator system
Coherence resonance
Coupling
Multiplicative noise
Parameter heterogeneity
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Summary:Two unidirectional coupled brusselator systems, subject to common and uncorrelated multiplicative noise, are investigated, respectively. It can be found that, the parameter heterogeneity effect may be destroyed above critical coupling strength. Synchronization occurs between subsystems subjected to common noise, but cannot achieve by means of uncorrelated noise.
ISSN:0375-9601
1873-2429
DOI:10.1016/j.physleta.2006.08.074