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Toroidicity effects in electrostatic drift wave turbulence in Tokamaks. I. The coherent electron and ion response

W Y Zhang, R Balescu1987年Plasma Physics and Controlled FusionIF 2.2出版社

Two methods (renormalization and stochastic orbit treatment) are used to discuss the ion and electron coherent responses in a turbulent Tokamak plasma. The ballooning representation for the non linear E*B term is questioned. Some coherent dissipation and saturation mechanisms are studied in detail. Specifically, it is found that the Hirshman-Molvig effect (1979) plays the dominant role in the determination of the diffusion characteristics in the Tokamak geometry. Also, using the averaged radial wave-number vector technique the ion Compton scattering is investigated analytically as an effective saturation mechanism.

日本語訳

2つの方法(繰り込みと確率軌道処理)を用いて、乱流トカマクプラズマにおけるイオンおよび電子のコヒーレント応答を考察する。非線形E×B項に対するバルーニング表現は疑問視される。いくつかのコヒーレント散逸および飽和機構が詳細に研究される。具体的には、トカマク幾何学における拡散特性の決定において、Hirshman-Molvig効果(1979年)が支配的な役割を果たすことが見出される。また、平均化された動径波数ベクトル手法を用いて、イオン・コンプトン散乱が有効な飽和機構として解析的に調査される。

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Drift wavesDrift wave turbulence
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