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Excitability transitions and wave dynamics under spatiotemporal structured noise

Alonso, S ; Sagués, F ; Sancho, J M

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 2002-06, Vol.65 (6 Pt 2), p.066107-066107, Article 066107

United States: The American Physical Society

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Título:
Excitability transitions and wave dynamics under spatiotemporal structured noise
Autor: Alonso, S ; Sagués, F ; Sancho, J M
Assuntos: Differentiable dynamical systems ; Dinàmica de fluids ; Fluid dynamics ; Física estadística ; Physical chemistry ; Química física ; Sistemes dinàmics diferenciables ; Statistical physics ; Termodinàmica ; Thermodynamics
É parte de: Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 2002-06, Vol.65 (6 Pt 2), p.066107-066107, Article 066107
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
Descrição: 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.
Editor: United States: The American Physical Society
Idioma: Inglês

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Excitability transitions and wave dynamics under spatiotemporal structured noise

Alonso, S ; Sagués, F ; Sancho, J M

United States: The American Physical Society

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