XXXV international conference on plasma physics and CF, February 11 – 15, 2008, Zvenigorod.
ABOUT KINK INSTABILITY OF PLASMA COLUMN IN Z-PINCH GEOMETRY
*
Muravev R.A., Sasorov P.V.
Institute for Theoretical and Experimental Physics, Moscow, Russia, sasorov@itep.ru
*
State University “Moscow Institute of Physics and Technology”, Dolgoprudny, Moscow
Region, Russia
Kink instability of plasma column in Z-pinch geometry is shown to be absolutely instable in the
frame of ideal magnetic hydrodynamics (MHD). It means that the known Kadomtsev criterion for
stability is not sufficient for the kink instability in contrast to the m = 0 mode, when the analogous
criterion is necessary and sufficient. It is shown also that there is a strong suppression of kink
instability for the case of low Reynolds numbers in comparison with the case of ideal MHD.
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