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The effect of weak collisions on ion-acoustic wave instabilities in a current-carrying plasma

Published online by Cambridge University Press:  13 March 2009

R. S. B. Ong  and
M. Y. Yu
R. S. B. Ong
Affiliation:
Department of Aerospace Engineering, The University of Michigan, Ann Arbor, Michigan
M. Y. Yu
Affiliation:
Department of Aerospace Engineering, The University of Michigan, Ann Arbor, Michigan
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Abstract

The effect of weak collisions on ion-acoustic wave instabifities in a plasma with large ratios of electron to ion temperatures is investigated. The critical current for instability is shown to be signfficantly reduced by collisions. At the critical current the instability first occurs at non-zero values of kλe. As kλe increases the collisional effects become less and less significant.

Type
Research Article
Information
Journal of Plasma Physics , Volume 3 , Issue 3 , September 1969 , pp. 425 - 433
Copyright
Copyright © Cambridge University Press 1969

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References

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