Lévy statistics in Taylor dispersion

Albert Compte, Juan Camacho

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

Abstract

The longitudinal dispersion for a fractal time random walker being dragged by a solvent flowing through a tube is studied by means of the Langevin and Fokker-Planck formalisms. One observes that for asymptotic long times the dispersion is superdiffusive despite the fact that in a resting background the characteristic diffusion regime is subdiffusive. The resulting behavior is also at variance with the standard diffusive behavior obtained in Taylor dispersion for a Brownian walker. © 1997 The American Physical Society.
Original languageEnglish
Pages (from-to)5445-5449
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume56
DOIs
Publication statusPublished - 1 Jan 1997

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