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Spectrum and stability of a rigidly rotating compressible plasma

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Abstract

We consider the spectrum and stability of a compressible, rigidly rotating plasma column with constant magnetic pitch. It is found tl-lat when the pressure on axis is zero, a continuous spectrum arises, which may become unstable. When the pressure on axis is finite or a conducting core is included, the spectrum is discrete, but may still be unstable. The instability is due to the poloidal magnetic field and/or the rotation of the cylinder in combination with the density profile. It is found numerically that the pressure stabilizes both types of instabilities.

Year of Publication
1997
Journal
Journal of Plasma Physics
Volume
58
Number of Pages
101-121
Date Published
Jul
ISBN Number
0022-3778
DOI
PId
04c87b92e5cba1a3add44f29c4de21b2
Journal Article
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