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Excitation of whistlers and quasi-static modes by an annular electron beam in a plasma cylinder

Published online by Cambridge University Press:  13 March 2009

I. Talukdar  and
V. K. Jain
I. Talukdar
Affiliation:
Department of Physics, Indian Institute of Technology, New Delhi-110016, India
V. K. Jain
Affiliation:
Physics Group, School of Environmental Science, Jawaharlal Nehru University, New Delhi-110067, India
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Extract

A non-local theory of whistler and quasi-static mode excitation by an annular electron beam in a plasma cylinder is presented. Čerenkov and slow-cyclotron interaction are considered in the weak-beam approximation. The growth rate is found to be quite sensitive to the beam radius except in the case of slow-cyclotron interaction of quasi-static modes. The growth rate varies significantly with beam velocity in the case of Čerenkov interaction of quasi-static modes, but in other cases it is rather insensitive to the beam velocity.

Type
Research Article
Information
Journal of Plasma Physics , Volume 39 , Issue 3 , June 1988 , pp. 407 - 411
Copyright
Copyright © Cambridge University Press 1988

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References

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