Signatures of noise-enhanced stability in metastable state

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129 Citazioni (Scopus)

Abstract

The lifetime of a metastable state in the transient dynamics of an overdamped Brownian particle is analyzed, both in terms of the mean first passage time and by means of the mean growth rate coefficient. Both quantities feature nonmonotonic behaviors as a function of the noise intensity, and are independent signatures of the noise enhanced stability effect. They can therefore be alternatively used to evaluate and estimate the presence of this phenomenon, which characterizes metastability in nonlinear physical systems.
Lingua originaleEnglish
pagine (da-a)061110-1-061110-5
Numero di pagine5
RivistaPHYSICAL REVIEW E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS
Volume72
Stato di pubblicazionePublished - 2005

All Science Journal Classification (ASJC) codes

  • ???subjectarea.asjc.3100.3109???
  • ???subjectarea.asjc.2600.2613???
  • ???subjectarea.asjc.3100.3104???

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