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Dynamics of runaway electrons in lower hybrid current drive plasmas in the HT-7 tokamak

Z Y Chen, B N Wan, S Y Lin, Y J Shi, L Q Hu, J Younis, X Z Gong, J F Shan, F K Liu, B J Ding2006年Plasma Physics and Controlled FusionIF 2.2出版社

In lower hybrid current drive (LHCD) plasmas with non-zero loop voltage, the fast electron tail can act as a seed population of runaways. The runaways are found to be enhanced in the presence of lower hybrid (LH) waves when the fast electron tail extends above the critical velocity for electrons to run away. In runaway discharges, the LH waves may suppress runaway electrons due to the drop in the electric field linked to the non-inductive current drive. In this paper, the behaviour of runaway electrons in an extensive range of LHCD plasmas is presented.

日本語訳

非ゼロのループ電圧を持つ低ハイブリッド電流駆動(LHCD)プラズマにおいて、高速電子テールはランナウェイの種集団として作用し得る。ランナウェイは、低ハイブリッド(LH)波の存在下で、高速電子テールが電子のランナウェイのための臨界速度を超えて広がる場合に増強されることが見出されている。ランナウェイ放電において、LH波は、非誘導電流駆動に関連する電場の低下により、ランナウェイ電子を抑制する可能性がある。本論文では、広範囲のLHCDプラズマにおけるランナウェイ電子の挙動が提示される。

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Current driveLower hybridRunaway electronLower hybrid current driveHT-7
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