Observation of stochastic coherence in coupled map lattices
chao-dyn
2009-10-28 v2 adap-org
Adaptation and Self-Organizing Systems
Chaotic Dynamics
Pattern Formation and Solitons
patt-sol
Abstract
Chaotic evolution of structures in Coupled map lattice driven by identical noise on each site is studied (a structure is a group of neighbouring lattice-sites for whom values of dynamical variable follow certain predefined pattern). 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.
Keywords
Cite
@article{arxiv.chao-dyn/9602006,
title = {Observation of stochastic coherence in coupled map lattices},
author = {Manojit Roy and R. E. Amritkar},
journal= {arXiv preprint arXiv:chao-dyn/9602006},
year = {2009}
}
Comments
4 pages double column LaTeX file for text, 5 Postscript files for figures. Replaced version contains an analytic argument for stochastic coherence