Excitability transitions and wave dynamics under spatiotemporal structured noise
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hdl:2117/176125
Tipus de documentArticle
Data publicació2002-06-14
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
We present an analytic and numerical study of the effects of external fluctuations in active media. Our analytical methodology transforms the initial stochastic partial differential equations into an effective set of deterministic reaction-diffusion equations. As a result we are able to explain and make quantitative predictions on the systematic and constructive effects of the noise, for example, target patterns created out of noise and traveling or spiral waves sustained by noise. Our study includes the case of realistic noises with temporal and spatial structures.
CitacióAlonso, S.; Sagués, F.; Sancho, J M. Excitability transitions and wave dynamics under spatiotemporal structured noise. "Physical review E: statistical, nonlinear, and soft matter physics", 14 Juny 2002, vol. 65, p. 066107-1-066107-11.
ISSN1539-3755
Versió de l'editorhttps://journals.aps.org/pre/abstract/10.1103/PhysRevE.65.066107
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