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Relaxation times in a bistable system with parametric, white noise : theory and experiment.

Research output: Contribution to journalJournal article

Published

Journal publication date12/1985
JournalPhysical Review A
Journal number6
Volume32
Number of pages8
Pages3639-3646
Original languageEnglish

Abstract

We consider the effects of external, multiplicative white noise on the relaxation time of a general representation of a bistable system from the points of view provided by two, quite different, theoretical approaches: the classical Stratonovich decoupling of correlations and the new method due to Jung and Risken. Experimental results, obtained from a bistable electronic circuit, are compared to the theoretical predictions. We show that the phenomenon of critical slowing down appears as a function of the noise parameters, thereby providing a correct characterization of a noise-induced transition.