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Effects of external noise on the Swift-Hohenberg Equation
García Ojalvo, Jordi; Hernández Machado, Aurora; Sancho, José M.
Universitat de Barcelona
The Swift-Hohenberg equation is studied in the presence of a multiplicative noise. This stochastic equation could describe a situation in which a noise has been superimposed on the temperature gradient between the two plates of a Rayleigh-Bnard cell. A linear stability analysis and numerical simulations show that, in constrast to the additive-noise case, convective structures appear in a regime in which a deterministic analysis predicts a homogeneous solution.
Dinàmica de fluids
Física estadística
Fluid dynamics
Statistical physics
(c) American Physical Society, 1993
American Physical Society

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