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Unified theory of whistler mode instability in the presence of a parallel electric field

Published online by Cambridge University Press:  13 March 2009

Indra Mohan Lal Das  and
R. P. Singh
Indra Mohan Lal Das
Affiliation:
Department of Physics, Banaras Hindu University, Varanasi-221 005, India
R. P. Singh
Affiliation:
Department of Physics, Banaras Hindu University, Varanasi-221 005, India
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Abstract

The propagation characteristics of right-hand circularly polarized whistler mode waves propagating parallel to the external magnetic field in an anisotropic plasma have been reformulated including the effect of a parallel electric field. Analytical expressions for the real frequency and growth rate have been obtained for the full range of the parameters β (the ratio of particle pressure to magnetic pressure of the hot particles), A (temperature anisotropy) and P ( = βA(A + 1)2) without any restriction on the magnitude of the imaginary part of the wave frequency. The effect of cold plasma injection on the marginal instability has also been studied. Possible application of the present theory to the atmospheres of Earth and Jupiter has been discussed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 31 , Issue 2 , April 1984 , pp. 263 - 274
Copyright
Copyright © Cambridge University Press 1984

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