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Doubly stochastic resonance

  • We report the effect of doubly stochastic resonance which appears in nonlinear extended systems if the influence of noise is twofold: A multiplicative noise induces bimodality of the mean field of the coupled network and an independent additive noise governs the dynamic behavior in response to small periodic driving. For optimally selected values of the additive noise intensity stochastic resonance is observed, which is manifested by a maximal coherence between the dynamics of the mean field and the periodic input. Numerical simulations of the signal-to-noise ratio and theoretical results from an effective two state model are in good quantitative agreement.

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Author details:Alexei A. Zaikin, Jürgen KurthsORCiDGND, Lutz Schimansky-Geier
URL:http://link.aps.org/abstract/PRL/v85/p227
Publication type:Article
Language:English
Year of first publication:2000
Publication year:2000
Release date:2017/03/24
Source:Physical review letters. - 85 (2000), 2, S. 227 - 231
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Institution name at the time of the publication:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik
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