Phase synchronization in coupled nonidentical excitable systems and array enhanced coherence resonance

Details Phase synchronization in coupled nonidentical excitable systems and array enhanced coherence resonance Phase synchronization in coupled nonidentical excitable systems and array enhanced coherence resonance

2000-02-14

arxiv.org/abs/nlin/0002019v1

Nonlinear Sciences

Chaotic Dynamics

4 pages with 3 figures, published in Phys. Rev. E 61, R1001 (2000)

Scientific paper

10.1103/PhysRevE.61.R1001

We study the dynamics of a lattice of coupled nonidentical Fitz Hugh-Nagumo system subject to independent external noise. It is shown that these stochastic oscillators can lead to global synchronization behavior {\sl without an external signal}. With the increase of the noise intensity, the system exhibits coherence resonance behavior. Coupling can enhance greatly the noise-induced coherence in the system.

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