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Investigation of the localized co-interchange instabilities in a rotamak plasma

Published online by Cambridge University Press:  13 March 2009

W. K. Bertram
W. K. Bertram
Affiliation:
Australian Nuclear Science and Technology Organisation, Lucas Heights Research Laboratories, Private Mail Bag 1, Menai, NSW 2234, Australia
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Abstract

If the rotamak is regarded as a spherical field-reversed mirror then, according to conventional ideal MHD analysis, it should be unstable to co-interchange modes localized near the vortex point of the magnetic field. It is shown that to study these instabilities in a typical rotamak plasma, the Hall term in Ohm's law cannot be ignored. The effect of the Hall term on the ideal MHD analysis of co-interchange modes is investigated and a stability criterion is derived.

Information

Type
Research Article
Information
Journal of Plasma Physics , Volume 41 , Issue 3 , June 1989 , pp. 517 - 522
Copyright
Copyright © Cambridge University Press 1989

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References

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