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Abstract

Particle transport in two-dimensional divergence-free stochastic velocity fields with constant average is studied. Analytical expressions for the Lagrangian velocity correlation and for the time-dependent diffusion coefficients are obtained. They apply to stationary and homogeneous Gaussian velocity fields.

Additional information

Authors: VLAD M, Association Euratom�NASTI Romania, National Institute for Laser, Plasma and Radiation Physics, Bucharest (RO);SPINEANU F, Association Euratom�NASTI Romania, National Institute for Laser, Plasma and Radiation Physics, Bucharest (RO);MISGUICH J H, Association Euratom�CEA sur la Fusion, CEA�Cadarache, Saint-Paul-lez-Durance (FR);BALESCU R, Association Euratom�Etat Belge sur la Fusion, Universite Libre de Bruxelles (BE)
Bibliographic Reference: An article published in: Physical Review E, 63, 066304 (2001)
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