Stochastic resonance between noise-sustained patterns: local and nonlocal coupling

Bernardo von Haeften; Gonzalo G. Izus; Sergio E. Mangioni; Alejandro D. Sanchez; Horacio S. Wio

doi:10.1117/12.548543

25 May 2004 Stochastic resonance between noise-sustained patterns: local and nonlocal coupling

Bernardo von Haeften, Gonzalo G. Izus, Sergio E. Mangioni, Alejandro D. Sanchez, Horacio S. Wio

Proceedings Volume 5471, Noise in Complex Systems and Stochastic Dynamics II; (2004) https://doi.org/10.1117/12.548543
Event: Second International Symposium on Fluctuations and Noise, 2004, Maspalomas, Gran Canaria Island, Spain

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.

Citation Download Citation

Bernardo von Haeften, Gonzalo G. Izus, Sergio E. Mangioni, Alejandro D. Sanchez, and Horacio S. Wio "Stochastic resonance between noise-sustained patterns: local and nonlocal coupling", Proc. SPIE 5471, Noise in Complex Systems and Stochastic Dynamics II, (25 May 2004); https://doi.org/10.1117/12.548543

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