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Anomalous transport coefficients in a turbulent plasma

Published online by Cambridge University Press:  13 March 2009

R. Balescu  and
I. Paiva-Veretennicoff
R. Balescu
Affiliation:
Faculté des Sciences, CP 231, Université Libre de Bruxelles 1050 Bruxolles, Association Euratom – Etat Beige
I. Paiva-Veretennicoff
Affiliation:
Fakulteit van de Wetenschappen, Vrije Universiteit Brussel1050 Brussel
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Abstract

A general self-consistent framework is developed for the calculation of transport coefficients in a collisionless, weakly turbulent plasma. These coefficients characterize the response to a perturbation away from a quasi-steady turbulent state, which is assumed to exist as a result of the stabilization of the linear instabilities. It is shown that a purely hydrodynamical description does not exist for plasmas: the macroscopic picture must include non-conserved quantities, which lead to the plasmadynamical (or ‘two-fluid’) picture of the system. The number of independent transport coefficients, necessary for the macroscopic characterization of the plasma, is correspondingly increased as compared with a two- component mixture of two ordinary fluids. The typical turbulent contributions to the transport coefficients are clearly exhibited.

Type
Research Article
Information
Journal of Plasma Physics , Volume 20 , Issue 2 , October 1978 , pp. 231 - 263
Copyright
Copyright © Cambridge University Press 1978

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