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

• Tipo: Artigo em Revista Científica Internacional
• Data: 2010

Autores

T. Vaz Martins (Autor) FCUP; V.N. Livina (Autor) Outra; A.P. Majtey (Autor) Outra; R. Toral (Autor) FCUP

Revista

Título: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics

Vol. 81 Nº 4, Part 1

ISSN: 1539-3755

Editora: American Physical Society

Indexação

ISI Web of Science

Classificação Científica

FOS: Ciências exactas e naturais > Física

Outras Informações

Abstract (EN): 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.

Idioma: Inglês

Tipo (Avaliação Docente): Científica