Stochastic Resonance in Maps and Coupled Map Lattices

Details Stochastic Resonance in Maps and Coupled Map Lattices Stochastic Resonance in Maps and Coupled Map Lattices

1997-04-09

arxiv.org/abs/chao-dyn/9704010v1

Physics

Condensed Matter

6 pages revtex document, 15 tex figures. (Submitted to Phys. Rev. E)

Scientific paper

10.1103/PhysRevE.56.2518

We demonstrate the phenomenon of stochastic resonance (SR) for discrete-time dynamical systems. We investigate various systems that are not necessarily bistable, but do have two well defined states, switching between which is aided by external noise which can be additive or multiplicative. Thus we find it to be a fairly generic phenomenon. In these systems, we investigate kinetic aspects like hysteresis which reflect the nonlinear and dissipative nature of the response of the system to the external field. We also explore spatially extended systems with additive or parametric noise and find that they differ qualitatively.

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