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

Vaz Martins, T, Livina, VN, Majtey, AP 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: 21 Apr 2020 17:22
URI: https://ueaeprints.uea.ac.uk/id/eprint/21507
DOI: 10.1103/PhysRevE.81.041103

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