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Title: Excitability transitions and wave dynamics under spatiotemporal structured noise
Author: Alonso Muñoz, Sergio
Sancho, José M.
Sagués i Mestre, Francesc
Keywords: Física estadística
Sistemes dinàmics diferenciables
Química física
Dinàmica de fluids
Statistical physics
Differentiable dynamical systems
Physical chemistry
Fluid dynamics
Issue Date: 2002
Publisher: The American Physical Society
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.
Note: Reproducció del document publicat a:
It is part of: Physical Review E, 2002, vol. 65, núm. 6, p. 066107-1-066107-11
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ISSN: 1539-3755
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Ciència dels Materials i Química Física)

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