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Dispersion curves for the generalized Bernstein modes

Published online by Cambridge University Press:  13 March 2009

S. Puri ,
F. Leuterer  and
M. Tutter
S. Puri
Affiliation:
Max-Planck-Institut für Plasmaphysik, 8046 Garching, West Germany
F. Leuterer
Affiliation:
Max-Planck-Institut für Plasmaphysik, 8046 Garching, West Germany
M. Tutter
Affiliation:
Max-Planck-Institut für Plasmaphysik, 8046 Garching, West Germany
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Abstract

Dispersion curves are plotted for the extraordinary branch of the electron- and ion-cyclotron harmonic waves propagating perpendicularly to the static magnetic field in a non-relativistic, hot Maxwellian plasma, without invoking the electrostatic approximation. It is found that, except in the vicinity of the cyclotron harmonics and the hybrid resonances, either the cold-plasma or the electrostatic approximation are accurate representations of the exact solution. The hybrid resonances of the cold-plasma model become monotonically shrinking regions of low group velocity as the temperature is increased, till all discernible evidence of these resonances disappears as the parameters corresponding to the thermonuclear plasmas are approached.

Type
Research Article
Information
Journal of Plasma Physics , Volume 9 , Issue 1 , February 1973 , pp. 89 - 100
Copyright
Copyright © Cambridge University Press 1973

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References

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