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Symmetry breaking of fluctuation dynamics by noise color.

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<mark>Journal publication date</mark>2000
<mark>Journal</mark>Physical Review Letters
Issue number24
Volume84
Number of pages4
Pages (from-to)5470-5473
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

Activated escape is investigated for systems that are driven by noise whose power spectrum peaks at a finite frequency. Analytic theory and analog and digital experiments show that the system dynamics during escape exhibit a symmetry-breaking transition as the width of the fluctuational spectral peak is varied. For double-well potentials, even a small asymmetry may result in a parametrically large difference of the activation energies for escape from different wells.