Phase Coherence in Chaotic Oscillatory Media

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Collective oscillations of lattices of locally-coupled chaotic Roessler oscillators are studied with regard to the dynamical scaling of their phase interfaces. Using analogies with the complex Ginzburg-Landau and the Kardar-Parisi-Zhang equations, we argue that phase coherence should be lost in the infinite-size limit. Our numerical results, however, indicate possible discrepancies with a Langevin-like description using an effective white-noise term.
11 pages, Latex (elsart), 5 figures

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Chaotic Dynamics, Statistical Mechanics

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http://salesiana.dossiersoluciones.com/handle/123456789/15580

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/chao-dyn/9802007
 http://arxiv.org/abs/chao-dyn/9802007

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arXiv