Resonance induced by repulsive interactions in a model of globally coupled bistable systems

Vaz Martins, T., Livina, V. N., Majtey, A. P. and Toral, R. (2010) Resonance induced by repulsive interactions in a model of globally coupled bistable systems. Physical Review E (PRE), 81.

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Abstract

We show the existence of a competition-induced resonance effect for a generic globally coupled bistable system. In particular, we demonstrate that the response of the macroscopic variable to an external signal is optimal for a particular proportion of repulsive links. Furthermore, we show that a resonance also occurs for other system parameters, like the coupling strength and the number of elements. We relate this resonance to the appearance of a multistable region, and we predict the location of the resonance peaks, by a simple spectral analysis of the Laplacian matrix.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Environmental Sciences
Depositing User:	Rosie Cullington
Date Deposited:	17 Feb 2011 14:01
Last Modified:	24 Sep 2024 09:16
URI:	https://ueaeprints.uea.ac.uk/id/eprint/21507
DOI:	10.1103/PhysRevE.81.041103

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