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Symmetry breaking of fluctuation dynamics by noise color.

Arrayas, M. and Dykman, Mark and Mannella, R. and McClintock, Peter V. E. and Stein, N. D. (2000) Symmetry breaking of fluctuation dynamics by noise color. Physical Review Letters, 84 (24). pp. 5470-5473. ISSN 1079-7114

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    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.

    Item Type: Article
    Journal or Publication Title: Physical Review Letters
    Subjects: Q Science > QC Physics
    Departments: Faculty of Science and Technology > Physics
    ID Code: 31909
    Deposited By: Professor P. V. E. McClintock
    Deposited On: 08 Mar 2010 11:23
    Refereed?: Yes
    Published?: Published
    Last Modified: 18 Jun 2015 05:26
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/31909

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