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The European Physical Journal B

, Volume 69, Issue 1, pp 23–27 | Cite as

The role of bistability in stochastic resonance

  • M. Borromeo
  • F. Marchesoni
Topical issue on Stochastic Resonance

Abstract

We consider stochastic resonance in a continuous cyclostationary one dimensional process. For an appropriate choice of the control parameters (e.g., as the result of an underlying higher dimensional dynamics) the stationary probability density of the process may grow bimodal even in the absence of an energetic barrier: this is no sufficient condition for stochastic resonance to occur.

PACS

05.40.-a Fluctuation phenomena, random processes, noise, and Brownian motion 02.50.Ey Stochastic processes 

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  1. 1.Dipartimento di FisicaUniversità di PerugiaPerugiaItaly
  2. 2.Istituto Nazionale di Fisica Nucleare, Sezione di PerugiaPerugiaItaly
  3. 3.Dipartimento di FisicaUniversità di CamerinoCamerinoItaly

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