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Proceedings Paper

Stochastic resonance between noise-sustained patterns: local and nonlocal coupling
Author(s): Bernardo von Haeften; Gonzalo G. Izus; Sergio E. Mangioni; Alejandro D. Sanchez; Horacio S. Wio
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Paper Abstract

We study an extended system that without noise shows a spatially homogeneous state, but when submitted to an adequate multiplicative noise, some "noise-induced patterns" arise. The stochastic resonance between these structures is investigated theoretically, and the knowledge of the exact nonequilibrium potential allows us to obtain the output signal-to-noise ratio. In agreement with previous studies, its maximum is predicted in the symmetric case for which both stable attractors have the same nonequilibrium potential value.

Paper Details

Date Published: 25 May 2004
PDF: 8 pages
Proc. SPIE 5471, Noise in Complex Systems and Stochastic Dynamics II, (25 May 2004); doi: 10.1117/12.548543
Show Author Affiliations
Bernardo von Haeften, Univ. Nacional de Mar del Plata (Argentina)
Gonzalo G. Izus, Univ. Nacional de Mar del Plata (Argentina)
Sergio E. Mangioni, Univ. Nacional de Mar del Plata (Argentina)
Alejandro D. Sanchez, Univ. Nacional de Mar del Plata (Argentina)
Horacio S. Wio, Instituto de Fisica de Cantabria (Spain)


Published in SPIE Proceedings Vol. 5471:
Noise in Complex Systems and Stochastic Dynamics II
Zoltan Gingl, Editor(s)

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