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Axially symmetric self-focusing of whistler waves

Published online by Cambridge University Press:  13 March 2009

V. I. Karpman ,
R. N. Kaufman  and
A. G. Shagalov
V. I. Karpman
Affiliation:
IZMIRAN, Academic City, Moscow Region, 142092, USSR
R. N. Kaufman
Affiliation:
IZMIRAN, Academic City, Moscow Region, 142092, USSR
A. G. Shagalov
Affiliation:
IZMIRAN, Academic City, Moscow Region, 142092, USSR
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Abstract

The self-focusing of whistler waves in a low-β plasma is considered. Axially symmetric solutions of the MHD and Schrödinger equations are found that describe stationary and homogeneous wave beams together with the plasma ducts in which they are trapped.

The self-focusing occurs both at ω < ½ωc and ω > ½ωc where ωc is the electron cyclotron frequency. The wave leakage which takes place in some types of duct and pre vents self-focusing from developing is investigated in detail.

Information

Type
Research Article
Information
Journal of Plasma Physics , Volume 31 , Issue 2 , April 1984 , pp. 209 - 223
Copyright
Copyright © Cambridge University Press 1984

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References

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