Observation of stochastic coherence in coupled map lattices

Details Observation of stochastic coherence in coupled map lattices Observation of stochastic coherence in coupled map lattices

1996-02-03

arxiv.org/abs/chao-dyn/9602006v2

Physical Review E 55, 2422 (1997)

Nonlinear Sciences

Adaptation and Self-Organizing Systems

4 pages double column LaTeX file for text, 5 Postscript files for figures. Replaced version contains an analytic argument for

Scientific paper

10.1103/PhysRevE.55.2422

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.

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