Effective drift and diffusivity in non-Gaussian random gradient flows

DOI10.1088/0305-4470/31/5/005zbMath0942.82017arXivcond-mat/9707069OpenAlexW3100163476MaRDI QIDQ4486372

Constantino A. da Silva Santos, R. R. Horgan, I. T. Drummond

Publication date: 24 August 2000

Published in: Journal of Physics A: Mathematical and General (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/cond-mat/9707069

zbMATH Keywords

diffusion equationrenormalizationperturbation expansionRunge-Kutta schemeEinstein relationdiffusivityGaussian statisticsfour-loop perturbationlong-range effective driftnon-Gaussian drift model

Mathematics Subject Classification ID

Stochastic methods (Fokker-Planck, Langevin, etc.) applied to problems in time-dependent statistical mechanics (82C31) Dynamic renormalization group methods applied to problems in time-dependent statistical mechanics (82C28)

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