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Bootstrap current theory and experimental evidence

J G Cordey, C D Challis, P M Stubberfield1988年Plasma Physics and Controlled FusionIF 2.2出版社

A simple physical picture of the bootstrap current is presented and the classical and nonclassical theory of it is briefly discussed. The experimental evidence for the existence of this current in multipoles, stellarators and tokamaks is reviewed with the main emphasis being on its existence in tokamaks. Recent data from JET indicating the presence of large bootstrap currents ( approximately 1 MA) in H-mode plasma is presented. Finally the implications of the existence of this current in future high temperature tokamak experiments is discussed, with particular emphasis on its role in broadening the current profile and the stabilisation of sawteeth.

日本語訳

ブートストラップ電流の簡単な物理的描像を示し、その古典的および非古典的理論について簡潔に議論する。この電流がマルチポール、ステラレーター、トカマクにおいて存在するという実験的証拠を概説し、特にトカマクにおけるその存在に重点を置く。Hモードプラズマにおいて大きなブートストラップ電流(約1 MA)が存在することを示すJETの最近のデータを提示する。最後に、この電流が将来の高温トカマク実験において果たす役割、特に電流分布の平坦化と鋸歯状振動の安定化への寄与に焦点を当てて議論する。

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