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Ion beam ordinary electromagnetic mode instability

Published online by Cambridge University Press:  13 March 2009

John D. Gaffey
John D. Gaffey
Affiliation:
Center for Theoretical Physics, Department of Physics and Astronomy, University of Maryland
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Abstract

The instability of the ordinary mode propagating perpendicular to the magnetic field is discussed for two ion beams counter-streaming along the magnetic field through a plasma of stationary electrons and ions. The instability criterion gives the necessary and sufficient condition for a purely growing mode. Although the instability threshold is high (u/Voi ≳ (2βoiNoi/Noi)-½ if the streaming velocity is 10% larger than the threshold value), large growth rates of the order of the ion cyclotron frequency result.

Type
Research Article
Information
Journal of Plasma Physics , Volume 13 , Issue 3 , June 1975 , pp. 563 - 569
Copyright
Copyright © Cambridge University Press 1975

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References

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