Bona fide Stochastic Resonance: A view point from stochastic energetics

Details Bona fide Stochastic Resonance: A view point from stochastic energetics Bona fide Stochastic Resonance: A view point from stochastic energetics

2003-03-20

arxiv.org/abs/cond-mat/0303417v1

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

We investigate the resonance type behaviour of an overdamped Brownian particle in a bistable potential driven by external periodic signal. It has been shown previously that the input energy pumped into the system by the external drive shows resonance type behaviour as function of noise strength. We further extend this idea to study the behaviour as function of frequency of the external driving force and show the occurrence of similar nonmonotonic behaviour, which can be ascribed as a signature of bona fide stochastic resonance. Both weak and strong driving limit has been explored indicating the occurrence of marginal supra-threshold stochastic resonance in a bistable potential system.

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