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Frequency-dependent stochastic resonance in inhibitory coupled excitable systems

  • We study frequency selectivity in noise-induced subthreshold signal processing in a system with many noise- supported stochastic attractors which are created due to slow variable diffusion between identical excitable elements. Such a coupling provides coexisting of several average periods distinct from that of an isolated oscillator and several phase relations between elements. We show that the response of the coupled elements under different noise levels can be significantly enhanced or reduced by forcing some elements in resonance with these new frequencies which correspond to appropriate phase relations

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Author:E. I. Volkov, Ekkehard Ullner, Alexei A. Zaikin, Jürgen KurthsORCiDGND
Document Type:Article
Year of first Publication:2003
Year of Completion:2003
Release Date:2017/03/24
Source:Physical Review / E. - ISSN 1063-651X. - 68 (2003), 6, S. 8
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert
Institution name at the time of publication:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik