期刊
出版社
ROYAL SOC
DOI: 10.1098/rsta.2014.0011
关键词
pattern formation; localized structures; spatio-temporal chaos
资金
- ANR international program [ANR-2010-INTB-402-02]
- FONDECYT [1120320]
- CONICYT [22111114]
- DPP of the University of Chile
An analytical mechanism that support localized spatio-temporal chaos is provided. We consider a simple model-the Nagumo Kuramoto model-which contains the crucial ingredients for observing localized spatio-temporal chaos, namely, the spatio-temporal chaotic pattern and its coexistence with a uniform state. This model allows us to unveil the front dynamics and to show that it can be described by a chaotic motor corresponding to the deterministic counterpart of a Brownian motor. Front interaction is identified as the mechanism at the origin of the localized spatio-temporal chaotic structures.
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