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Ordinary electromagnetic mode instability

Published online by Cambridge University Press:  13 March 2009

Chio-Zong Cheng
Chio-Zong Cheng
Affiliation:
Department of Physics and Astronomy, The University of Iowa, Iowa City, Iowa 52242
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Extract

The instability of the ordinary electromagnetic mode, propagating perpendicular to an external magnetic field, is studied for a single-species plasma with ring velocity distribution. The marginal instability boundaries for both the purely growing mode and the propagating growing modes are calculated from the instability criteria. The dispersion characteristics for various sets of plasma parameters are also given. The frequency bands of the propagating growing modes are centered at about (η +½)ωc, where η = 1, 2,…, and the typical growth rates are of the order of the cyclotron frequency and enhanced by increasing fluβ1.

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Articles
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Journal of Plasma Physics , Volume 13 , Issue 2 , April 1975 , pp. 335 - 348
Copyright
Copyright © Cambridge University Press 1975

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References

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