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Nonlinear bound on unstable fluctuation level in low-density non-neutral plasma

Published online by Cambridge University Press:  13 March 2009

Ronald C. Davidson  and
Kang T. Tsang
Ronald C. Davidson
Affiliation:
Plasma Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
Kang T. Tsang
Affiliation:
Science Applications International Corporation, Boulder, Colorado 80302
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Abstract

A cold-fluid model is used to describe the nonlinear evolutions of low-density non-neutral plasma immersed in a strong axial magnetic field. It is assumed that there is no axial dependence, and that the electron fluid moves with the usual E × B drift velocity. Use is made of global (spatially averaged) conservation constraints satisfied by the continuity and Poisson equations to obtain a nonlinear bound on the unstable fluctuation level for a general initial density profile.

Type
Research Article
Information
Journal of Plasma Physics , Volume 36 , Issue 3 , December 1986 , pp. 329 - 340
Copyright
Copyright © Cambridge University Press 1986

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