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Collisional transport of electrons in disturbed magnetic field

Published online by Cambridge University Press:  29 July 2003

RYUTARO KANNO
RYUTARO KANNO
Affiliation:
National Institute for Fusion Science, Toki, 509-5292, Japan ([email protected])
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Abstract

A path integral method is applied to a statistical analysis of electron transport described as a Langevin equation in a disturbed magnetic field line structure; in particular, the transition probability of electrons strongly tied to field lines is considered. When the effect of the Coulomb collisions is interpreted as the Gaussian white noise in configuration space, the radial transport of electrons in the chaotic field line structure is different from Brownian diffusion with the diffusion coefficient of field lines, even if a sufficiently small diffusion coefficient of the collisions is considered.

Type
Papers
Information
Journal of Plasma Physics , Volume 69 , Issue 4 , August 2003 , pp. 331 - 337
Copyright
2003 Cambridge University Press

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