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Low-frequency current drive in Z pinch equilibria

W N Hugrass1992年Plasma Physics and Controlled FusionIF 2.2出版社

Low-frequency current drive in Z pinch equilibria is considered. Only n+or-1 waves can be used to drive current near the axis of the pinch. It is shown that two modes are excited in the plasma, a long-wave weakly-damped modes (closely related to the whistler mode) and a short-wave heavily-damped mode. For hot plasma and/or large pinch radius the wave field near the axis is very nearly pure long-wave mode and the profile of the equivalent steady e.m.f. generated by the r.f. field is remarkably hollow.

日本語訳

Zピンチ平衡における低周波電流駆動を考察する。ピンチの軸近傍で電流を駆動するために使用できるのは、n+ または n- 波のみである。プラズマ中で2つのモードが励起されることが示される。すなわち、長波長で減衰の弱いモード(ホイッスラーモードに密接に関連)と、短波長で減衰の強いモードである。高温プラズマおよび/または大きなピンチ半径の場合、軸近傍の波動場はほぼ純粋な長波長モードであり、RF 場によって生成される等価定常起電力のプロファイルは著しく中空となる。

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