Dynamic Shear Stabilization of Hydromagnetic Instabilities in Low-Beta Plasma Column by a Frequency near the Ion Cyclotron Frequency
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概要
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The dynamic shear stabilization of the hydromagnetic instability in low-beta plasmas by an axial RF current whose frequency is not much smaller than the ion cyclotron frequency ω_<ci> is analyzed in some detail. We adopt the simple model of a uniform plasma column with infinite conductivity. Attention is limited to the case of the m=1 kink mode with long wave lengths. The Mathieu equation, in which the effect of the ion cyclotron motion is taken into account, is derived. It is shown that the dynamic shear stabilization is still effective, even if the frequency of the applied RF current is of the order of ω_<ci>, which is considerably higher than the frequencies believed to be available in the previous analyses.
- 核融合科学研究所の論文
著者
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Minami Kazuo
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Electrical E
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Sato Kazunori
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Electric And
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Minami Kazuo
Research Information Center Institute Of Plasma Physics Nagoya University:department Of Electric And
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