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Excitation of Alfvén waves by fast particles in a finite pressure plasma of adiabatic traps

Published online by Cambridge University Press:  13 March 2009

B. I. Meerson ,
A. B. Mikhallovskii  and
O. A. Pokhotelov
B. I. Meerson
Affiliation:
O. Yu. Schmidt Institute of Physics of Earth, Moscow, USSR
A. B. Mikhallovskii
Affiliation:
O. Yu. Schmidt Institute of Physics of Earth, Moscow, USSR
O. A. Pokhotelov
Affiliation:
O. Yu. Schmidt Institute of Physics of Earth, Moscow, USSR
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Abstract

Resonant excitation of Alfvén waves by fast particles in a finite pressure plasma in a non-uniform magnetic field is studied. Plasma compressibility in the wave field is determined both by the curvature of the magnetic lines of force and finite Larmor radius of fast particles. A general expression for the instability growth rate is obtained and analyzed; the applicability of the results obtained in the previous paper has also been studied. The finite pressure stabilization of the trapped particles instability has been found. The bounce-resonance effects are analyzed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 20 , Issue 1 , August 1978 , pp. 137 - 148
Copyright
Copyright © Cambridge University Press 1978

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References

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