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Generation of electrostatic oscillations in the ion cyclotron frequency range by modulated ECRH

H.P. Laqua, D. Moseev, P. Helander, P. Aleynikov, S. Marsen, N.B. Maruschenko, T. Stange2018年被引用 12Nuclear FusionIF 3出版社

Ion cyclotron frequencies are generally three orders of magnitude (electron-to-ion mass ratio) smaller than the electron cyclotron frequency. Here we propose a novel way of generating electrostatic fluctuations along the magnetic field in the ion cyclotron frequency range by modulated electron heating in regions with a non-zero gradient of the magnetic field strength along the magnetic field line. A possible conversion mechanism of these electrostatic fluctuations into shear Alfvén waves is also presented.

日本語訳

イオンサイクロトロン周波数は、一般に電子サイクロトロン周波数よりも3桁(電子対イオンの質量比)小さい。ここでは、磁場強度の磁力線に沿った勾配が非ゼロの領域における変調電子加熱によって、イオンサイクロトロン周波数帯域の磁力線に沿った静電的変動を生成する新たな方法を提案する。また、これらの静電的変動がせん断アルフヴェン波へ変換される可能性のあるメカニズムも提示する。

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Electron cyclotron heating
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