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Nonconventional stochastic resonance.

Research output: Contribution to journalJournal article

Published

Journal publication date01/1993
JournalJournal of Statistical Physics
Journal number1/2
Volume70
Number of pages21
Pages479-499
Original languageEnglish

Abstract

It is argued, on the basis of linear response theory (LRT), that new types of stochastic resonance (SR) are to be anticipated in diverse systems, quite different from the one most commonly studied to date, which has a static double-well potential and is driven by a net force equal to the sum of periodic and stochastic terms. On this basis, three new nonconventional forms of SR are predicted, sought, found, and investigated both theoretically and by analogue electronic experiment: (a) in monostable systems; (b) in bistable systems with periodically modulated noise; and (c) in a system with coexisting periodic attractors. In each case, it is shown that LRT can provide a good quantitative description of the experimental results for sufficiently weak driving fields. It is concluded that SR is a much more general phenomenon than has hitherto been appreciated.

Bibliographic note

Proceedings of the NATO Advanced Research Workshop: Stochastic Resonance in Physics and Biology, 30 March - 3 April 1992, San Diego CA.