Rf stabilization of an axisymmetric tandem mirror

J. R. Ferron, N. Hershkowitz, R. A. Breun, S. N. Golovato, R. Goulding

Research output: Contribution to journalArticlepeer-review

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Abstract

Plasma with significant central-cell beta can be sustained in a tandem mirror composed of three axisymmetric simple mirror cells by the use of ion-cyclotron resonant heating. Radial ponderomotive force due to the rf electric field opposes the centrifugal force due to the field-line curvature to ensure interchange stability. This is indicated by the sensitive dependence of the plasma stability on the sign of the difference between the rf frequency and the ion-cyclotron frequency.

Original languageEnglish
Pages (from-to)1955-1958
Number of pages4
JournalPhysical Review Letters
Volume51
Issue number21
DOIs
StatePublished - 1983
Externally publishedYes

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