Stochastic resonance in extended systems |
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| Authors: | H. S. Wio J. A. Revelli M. A. Rodriguez R. R. Deza G. G. Izús |
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| Affiliation: | (1) Instituto de Física de Cantabria, Universidad de Cantabria & CSIC, 39005 Santander, Spain;(2) Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata & CONICET, Deán Funes 3350, 7600 Mar del Plata, Argentina |
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| Abstract: | Here, three highly nontrivial instances are briefly discussed, showing both the degree of maturity achieved by the field of stochastic resonance (SR) and the wealth of potential realizations of SR in extended systems: (1) a “bound” KPZ system, for which the knowledge of its nonequilibrium potential (NEP) makes simple the solution of a very complex problem; (2) the Ising-Bloch front bifurcation in an activator-inhibitor system, a case of SR between moving fronts of opposite chirality; (3) a spatiotemporally chaotic “toy model”, useful for climate research, exhibiting internal SR due to chaos suppression. |
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| Keywords: | KeywordHeading" >PACS 05.40.Ca Noise 05.45.-a Nonlinear Dynamics and Chaos 82.40.Ck Pattern formation in reactions with diffusion, flow and heat transfer |
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