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Coherence resonance versus synchronization in a periodically forced self-sustained system.

By A. G. Balanov, N. B. Janson, D. E. Postnov and Peter V. E. McClintock


A fundamental relationship between coherence resonance (CR) and phase synchronization in a self-sustained system in the presence of noise is addressed. A Van der Pol system synchronized by external forcing is taken as an example. It is shown that, in breaking down synchronization, applied noise creates a new ordered motion whose coherence depends resonantly on its intensity, i.e., CR occurs. The same is true for both types of synchronization, via phase locking and via suppression: only the mechanisms of CR differ. The result is valid for any order n:m of synchronization

Year: 2002
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Provided by: Lancaster E-Prints

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