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Transport by weak electrostatic density drift fluctuations

Published online by Cambridge University Press:  13 March 2009

J. J. Sanderson  and
S. Peter Gary
J. J. Sanderson
Affiliation:
University of California, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
S. Peter Gary
Affiliation:
University of California, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
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Abstract

Expressions are derived for transport by weak electrostatic microfluctuations driven unstable by a density gradient perpendicular to a uniform magnetic field in a Vlasov plasma. These expressions, which are evaluated for the universal and lower-hybrid density drift instabilities, provide improved physical interpretations for various wave-particle exchange frequencies previously reported. It is demonstrated that wave-particle effects generally reduce the free energy driving these instabilities, and that some forms of steady-state distribution functions are inappropriate for nonlinear theory.

Type
Research Article
Information
Journal of Plasma Physics , Volume 30 , Issue 1 , August 1983 , pp. 153 - 168
Copyright
Copyright © Cambridge University Press 1983

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References

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