Stochastic resonance: influence of a f -κ noise spectrum

M. A. Fuentes () and H. S. Wio ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2006, vol. 52, issue 2, 249-253

Abstract: With the aim of studying stochastic resonance (SR) in a double-well potential when the noise source has a spectral density of the form f -κ (with varying κ), we have extended a procedure introduced by Kaulakys et al. (Phys. Rev. E 70, 020101 (2004)). In order to achieve an analytical understanding of the results, we have obtained an effective Markovian approximation that allows us to make a systematic study of the effect of such noise on the SR phenomenon. A comparison of the numerical and analytical results shows an excellent qualitative agreement indicating that the effective Markovian approximation is able to correctly describe the general trends. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Keywords: 02.50.Ey Stochastic processes; 05.40.-a Fluctuation phenomena; random processes; noise; and Brownian motion; 02.50.-r Probability theory; stochastic processes; and statistics (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1140/epjb/e2006-00288-4

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