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The propagation of ion cyclotron waves in a Q-machine

M J Alport, E G van Niekerk1990年Plasma Physics and Controlled FusionIF 2.2出版社

Phase measurements of the ion cyclotron instability driven by an electron drift parallel to a magnetic field are presented. The experiment was performed in a Q-machine (n approximately 1010 cm-3, Ti=Te=0.2 eV, B approximately 0.2 T) and the measurements made using digital signal processing techniques. The propagation characteristics of the ion cyclotron waves were determined by making measurements in the radial, axial and azimuthal directions. The effect of plasma density, magnetic field and electron drift velocity on the phase of the waves was investigated. The authors analyze the data in the light of the Drummond-Rosenbluth theory and make comparisons with the 2-D potential driven model.

日本語訳

磁場に平行な電子ドリフトによって駆動されるイオンサイクロトロン不安定性の位相測定について報告する。実験はQマシン(n≒10¹³ cm⁻³、Ti=Te=0.2 eV、B≒0.2 T)で行われ、測定はデジタル信号処理技術を用いて実施された。イオンサイクロトロン波の伝播特性は、動径方向、軸方向、方位角方向の測定によって決定された。プラズマ密度、磁場強度、電子ドリフト速度が波の位相に及ぼす影響を調査した。著者らは、Drummond-Rosenbluth理論に基づいてデータを解析し、2次元ポテンシャル駆動モデルとの比較を行った。

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