Experimental evidence, numerics, and theory of vibrational resonance in bistable systems

We consider an overdamped bistable oscillator subject to the action of a biharmonic force with very different frequencies, and study the response of the system when the parameters of the high-frequency force are varied. A resonantlike behavior is obtained when the amplitude or the frequency of this...

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Bibliographic Details
Published in:Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2003-06, Vol.67 (6 Pt 2), p.066119-066119
Main Authors: Baltanás, J P, López, L, Blechman, I I, Landa, P S, Zaikin, A, Kurths, J, Sanjuán, M A F
Format: Article
Language:English
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Summary:We consider an overdamped bistable oscillator subject to the action of a biharmonic force with very different frequencies, and study the response of the system when the parameters of the high-frequency force are varied. A resonantlike behavior is obtained when the amplitude or the frequency of this force is modified in an experiment performed by means of an analog circuit. This behavior, confirmed by numerical simulations, is explained on the basis of a theoretical approach.
ISSN:1539-3755
DOI:10.1103/PhysRevE.67.066119