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The ray velocity surface and the CMA diagram

Published online by Cambridge University Press:  13 March 2009

A. D. M. Walker
A. D. M. Walker
Affiliation:
Department of Physics, University of Natal, King George V Avenue, Durban 4001, South Africa
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Abstract

The CMA diagram as a means for classifying electromagnetic waves propagating in cold plasmas is generalized to include boundaries on which the ray surface, rather than the refractive index or wave normal surface, undergoes topological changes. Since the ray surface has the shape of a wavefront for a wave originating from a point source, such boundaries are of importance in understanding wave behaviour. Formulae are presented applying to the case of a cold plasma including the effect of positive ions. Calculations are presented for the special casea hydrogen plasma.

Information

Type
Research Article
Information
Journal of Plasma Physics , Volume 18 , Issue 2 , October 1977 , pp. 339 - 346
Copyright
Copyright © Cambridge University Press 1977

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References

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