Noise-induced spatial periodicity in excitable chemical media

被引：49

作者：

Perc, M ^{[1
]}

机构：

[1] Univ Maribor, Fac Educ, Dept Phys, SI-2000 Maribor, Slovenia

来源：

CHEMICAL PHYSICS LETTERS | 2005年 / 410卷 / 1-3期

关键词：

D O I：

10.1016/j.cplett.2005.05.042

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：

We show that spatiotemporal noise acting on the illumination intensity of an excitable photosensitive Belousov-Zhabotinskii medium, modelled by the diffusively coupled two-component Oregonator kinetics, is able to extract a characteristic spatial frequency of the system in a resonant manner. We emphasize that thereby the system is locally initiated from steady state excitable conditions so the observed patterns are exclusively noise induced. Thus, the reported phenomenon is a novel observation of spatial coherence resonance in excitable chemical media. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：49 / 53

页数：5

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