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Current drive via Landau damping of kinetic Alfvén waves in toroidal geometry

A.G. Elfimov, S. Puri1990年被引用 23Nuclear FusionIF 3出版社

It is found that Landau damping of waves with low phase velocity (υρ ≪ υte, the electron thermal velocity) is profoundly affected by toroidicity. The proportion αu of the wave energy imparted to the untrapped particles significantly exceeds their numerical fraction. Computed values of αu versus υρ/υte are presented. The implications of these results on current drive by low phase velocity waves are assessed.

日本語訳

低位相速度(υρ ≪ υte、電子熱速度)の波のランダウ減衰が、トロイダル性によって深く影響を受けることが見出された。非捕捉粒子に与えられる波エネルギーの割合 αu は、それらの数値的割合を有意に上回る。υρ/υte に対する αu の計算値を示す。これらの結果の、低位相速度波による電流駆動への影響が評価される。

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Alfvén waveCurrent driveLandau dampingKinetic Alfvén wave
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