Observation of stochastic coherence in coupled map lattices

被引：5
|
作者：
Roy, M
Amritkar, RE
机构：
[1] Department of Physics, University of Pune, Pune
来源：
PHYSICAL REVIEW E | 1997年 / 55卷 / 03期
关键词：
D O I：
10.1103/PhysRevE.55.2422
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Chaotic evolution of structures in a coupled map lattice driven by identical noise on each site is studied (a structure is a group of neighboring lattice sites for which values of the dynamical variable follow a certain predefined pattern). The number of structures is seen to follow a power-law decay with length of the structure for a given noise strength. An interesting phenomenon, which we call stochastic coherence, is reported in which a rise of bell-shaped type in abundance and lifetimes of these structures is observed for a range of noise-strength values.
引用
收藏
页码：2422 / 2425
页数：4
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