Two-parameter stochastic resonance in a model of the photosensitive Belousov-Zhabotinsky reaction in a flow system

被引：75

作者：

Amemiya, T ^{[1
]}

Ohmori, T ^{[1
]}

Nakaiwa, M ^{[1
]}

Yamaguchi, T ^{[1
]}

机构：

[1] NIMC, Dept Chem Syst, Tsukuba, Ibaraki 3058565, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY A | 1998年 / 102卷 / 24期

关键词：

D O I：

10.1021/jp980189p

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Stochastic resonance (SR) is shown in a two-parameter system, a model of the photosensitive Belousov-Zhabotinsky reaction in a flow system. Light flux and a flow rate are control parameters in a newly developed Oregonator-type model, and the oscillatory behavior of the system is the dynamical observable. Modulation of an excitable focal steady-state close to a Hopf bifurcation by a periodic signal in one parameter and noise in the other parameter is found to give rise to SR. The scenario and novel aspects of SR in this system are discussed.

引用

收藏

页码：4537 / 4542

页数：6

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