Lévy flights in fluid flows with no kolmogorov-arnold-moser surfaces

Shankar C. Venkataramani, Thomas M. Antonsen, Edward Ott

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

We investigate the Lévy flights observed experimentally in the transport of tracers in a temporally irregular flow that has no Kolmogorov-Arnold-Moser surfaces, and show that the Lévy flights are due to the sticking of the tracers near the walls. The tracer is found to spread superdiffusively with an exponent v = 3/2, in reasonable agreement with the experiments.

Original languageEnglish (US)
Pages (from-to)3864-3867
Number of pages4
JournalPhysical review letters
Volume78
Issue number20
DOIs
StatePublished - 1997
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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