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Electromagnetic instability supported by a rippled, magnetically focused relativistic electron beam

Published online by Cambridge University Press:  13 March 2009

S. Cuperman ,
F. Petran  and
A. Gover
S. Cuperman
Affiliation:
Department of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
F. Petran
Affiliation:
Department of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
A. Gover
Affiliation:
Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel
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Abstract

The coupling of volume, long-wavelength TM electromagnetic and longitudinal space charge (electrostatic) waves by the rippling of magnetically focused electron beams is examined analytically. The dispersion relation is obtained and then solved for these types of wave. Instability, with growth rates proportional to the relative ripple amplitude of the beam, is found and discussed.

Type
Research Article
Information
Journal of Plasma Physics , Volume 31 , Issue 2 , April 1984 , pp. 239 - 251
Copyright
Copyright © Cambridge University Press 1984

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References

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