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Symmetry breaking of fluctuation dynamics by noise color.

Arrayas, M. and Dykman, M. I. 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 > Engineering
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: 26 Jul 2012 17:03
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/31909

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