System size stochastic resonance in driven finite arrays of coupled bistable elements |
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Authors: | M?Morillo J?Gómez-Ordó?ez J M?Casado |
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Institution: | 1.Física Teórica, Facultad de Física,
Universidad de Sevilla,Sevilla,Spain |
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Abstract: | The global response to weak time periodic
forces of an array of noisy, coupled nonlinear systems might show a nonmonotonic dependence on the number of units in the
array. This
effect has been termed system size stochastic resonance by other authors. In this paper, we focus on a collective variable
of a finite array of one-dimensional globally coupled bistable elements. We analyze the possible nonmonotonic dependence on
the system size of its power spectral amplification and its signal-to-noise ratio. |
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Keywords: | |
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