Stochastic resonance in extended systems |
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| Authors: | H S Wio J A Revelli M A Rodriguez R R Deza and G G Izús |
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| Institution: | (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: | PACS" target="_blank">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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