Author:
VLAD M.,REUSS J.-D.,SPINEANU F.,MISGUICH J. H.
Abstract
It is shown that particle trapping plays an important role in the
appearance of
anomalous or strange diffusion in turbulent fields, mainly by inducing
a non-Gaussian
statistics of the stochastic displacements. Trapping processes are
responsible for the important deviation observed between the traditional
prediction of Bohm scaling for diffusion in low-frequency turbulence and
the
numerically checked prediction by Isichenko. Also, several theoretical
models
are proposed or reviewed.
Publisher
Cambridge University Press (CUP)
Cited by
15 articles.
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