Random walk of magnetic field lines: Subdiffusive, diffusive, and superdiffusive regimes

Details Random walk of magnetic field lines: Subdiffusive, diffusive, and superdiffusive regimes Random walk of magnetic field lines: Subdiffusive, diffusive, and superdiffusive regimes

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009adspr..43.1429s&link_type=abstract

Advances in Space Research, Volume 43, Issue 9, p. 1429-1435.

Astronomy and Astrophysics

Astrophysics

30

Scientific paper

One- and two-dimensional models of magnetic field fluctuations and turbulence are widely used in space-, astrophysical, and laboratory contexts. In the present article we use a generalized form of the turbulence wave spectrum to calculate field line diffusion coefficients analytically and numerically. General conditions are derived for which field line wandering behaves subdiffusively, diffusively, and superdiffusively.

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