Phase instabilities generated by parametric modulation in reaction-diffusion systems

被引：3
|
作者：
Bhattacharyay, A.
Bhattacharjeet, J. K.
机构：
[1] Univ Padua, Dipartimento Fis G Galilei, I-35131 Padua, Italy
[2] Indian Assoc Cultivat Sci, Dept Theoret Phys, Kolkata 700032, W Bengal, India
来源：
PHYSICS LETTERS A | 2006年 / 358卷 / 02期
关键词：
D O I：
10.1016/j.physleta.2005.07.093
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Effect of external periodic force on an oscillatory order in a reaction-diffusion system (Gierer-Meinhardt model) has been investigated. The 2 : 1 resonance situation is found susceptible for the generation of a band of phase instabilities. These phase instabilities, captured on multiple time scales, produces a mismatch between the oscillation frequency of reacting species. For all other forcing frequencies which are not in the ratio 2 : 1 we show the generation of spatial order as a result of global forcing of a Hopf state. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：121 / 125
页数：5
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