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Cyclotron harmonic wave propagation and instabilities: I. Perpendicular propagation

Published online by Cambridge University Press:  13 March 2009

J. A. Tataronis  and
F. W. Crawford
J. A. Tataronis
Affiliation:
Institute for Plasma Research, Stanford University Stanford, California
F. W. Crawford
Affiliation:
Institute for Plasma Research, Stanford University Stanford, California
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Abstract

Parts I and II of this paper present a comprehensive picture of longitudinal wave propagation in a warm homogeneous magnetoplasma. Part I discusses computed dispersion characteristics for propagation perpendicular to the static magnetic field. For a ring electron velocity distribution it is found that mode coupling and absolute instability can occur. Similar effects are predicted for a spherical shell distribution. The Maxwellian distribution gives rise to stable propagation of undamped waves, and attenuating standing waves. A mixture of ring and Maxwellian distributions can give absolute instability with stronger growth and lower instability thresholds than for the ring distribution alone. Propagation oblique to the static magnetic field will be dealt with in Part II.

Type
Research Article
Information
Journal of Plasma Physics , Volume 4 , Issue 2 , May 1970 , pp. 231 - 248
Copyright
Copyright © Cambridge University Press 1970

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References

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