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Chaos. 1998 Sep;8(3):604-615. doi: 10.1063/1.166342.

Stochastic resonance in coupled nonlinear dynamic elements.

Chaos (Woodbury, N.Y.)

M. Locher, D. Cigna, E. R. Hunt, G. A. Johnson, F. Marchesoni, L. Gammaitoni, M. E. Inchiosa, A. R. Bulsara

Affiliations

  1. Department of Physics and Astronomy, Condensed Matter and Surface Sciences Program, Ohio University, Athens, Ohio 45701.

PMID: 12779764 DOI: 10.1063/1.166342

Abstract

We investigate the response of a linear chain of diffusively coupled diode resonators under the influence of thermal noise. We also examine the connection between spatiotemporal stochastic resonance and the presence of kink-antikink pairs in the array. The interplay of nucleation rates and kink speeds is briefly addressed. The experimental results are supplemented with simulations on a coupled map lattice. We furthermore present analytical results for the synchronization and signal processing properties of a Phi(4) field theory and explore the effects of various forms of nonlinear coupling. (c) 1998 American Institute of Physics.

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