Stochastic resonance in coupled nonlinear dynamic elements |
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| Authors: | Locher M Cigna D Hunt E R Johnson G A Marchesoni F Gammaitoni L Inchiosa M E Bulsara A R |
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| Institution: | Department of Physics and Astronomy, Condensed Matter and Surface Sciences Program, Ohio University, Athens, Ohio 45701. |
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| 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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