COLLISION-STABLE WAVES IN EXCITABLE REACTION-DIFFUSION SYSTEMS

被引：60
|
作者：
KOSEK, J
MAREK, M
机构：
[1] Department of Chemical Engineering, Prague Institute of Chemical Technology, 166 28 Prague 6
来源：
PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 11期
关键词：
D O I：
10.1103/PhysRevLett.74.2134
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We discuss the interaction of stable pulse solutions modeling reduction waves in the Belousov-Zhabotinsky reaction in a spatially one-dimensional reaction-diffusion system. We find that in the range of parameters close to a subcritical Hopf bifurcation the counterpropagating pulses do not annihilate in a collision but emerge after the collision with a size and shape unchanged compared to those well before the collision. Under similar conditions these pulse solutions are reflected at zero-flux surfaces (echo waves). © 1995 The American Physical Society.
引用
收藏
页码：2134 / 2137
页数：4
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