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Ideal internal kink modes in a differentially rotating cylindrical plasma

Authors
  • MIKHAILOVSKII, A. B.
  • LOMINADZE, J. G.
  • Galvao, Ricardo Magnus Osorio
  • CHURIKOV, A. P.
  • EROKHIN, N. N.
  • PUSTOVITOV, V. D.
  • KONOVALOV, S. V.
  • SMOLYAKOV, A. I.
  • TSYPIN, V. S.
Publication Date
Jan 01, 2008
Source
Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI USP)
Keywords
Language
English
License
Unknown
External links

Abstract

The Velikhov effect leading to magnetorotational instability (MRI) is incorporated into the theory of ideal internal kink modes in a differentially rotating cylindrical plasma column. It is shown that this effect can play a stabilizing role for suitably organized plasma rotation profiles, leading to suppression of MHD (magnetohydrodynamic) instabilities in magnetic confinement systems. The role of this effect in the problem of the Suydam and the m = 1 internal kink modes is elucidated, where m is the poloidal mode number.

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