Phys. Rev. E 70, 056304 (2004) [14 pages]Trajectory structures and transportReceived 18 September 2003; revised 28 April 2004; published 15 November 2004 The special problem of transport in two-dimensional divergence-free stochastic velocity fields is studied by developing a statistical approach, the nested subensemble method. The nonlinear process of trapping determined by such fields generates trajectory structures whose statistical characteristics are determined. These structures strongly influence the transport. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.70.056304
DOI:
10.1103/PhysRevE.70.056304
PACS:
47.27.Qb, 52.35.Ra, 05.40.−a, 05.10.Gg
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