Plasma diffusion and relaxation in a magnetic field
Date
2003Sujet
Résumé
A Fokker-Planck-type kinetic equation modeling a test-particle weakly interacting with an electrostatic plasma, in the presence of a magnetic field B, is analytically solved. Explicit expressions are obtained for variable moments and particle density as a function of time. Diffusion in space is classical, characterized by a particle MSD varying as ∼B-2, in agreement with previous results. © 2003 Elsevier B.V. All rights reserved.
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