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Alfven eigenmode excitation by ICRH beat waves

A. Fasoli, J.A. Dobbing, C. Gormezano, J. Jacquinot, J.B. Lister, S.E. Sharapov, A. Sibley1996年被引用 32Nuclear FusionIF 3出版社

The resonant excitation of Alfven eigenmodes (AEs) by ICRH beat waves has been attempted experimentally on JET tokamak plasmas. Toroidicity induced AEs are excited when the difference frequency between two ICRH antennas is of the order of the central frequency of the relative Alfven continuum gap. The relatively large amplitudes for the TAE driven by ICRH beat waves suggest that this new non-linear excitation mechanism could allow investigations into the effects of AEs on particle orbits and should be taken into account in ICRH heated thermonuclear plasmas

日本語訳

アルヴェン固有モード(AE)のICRHビート波による共鳴励起が、JETトカマクプラズマにおいて実験的に試みられた。トロイダリティ誘起アルヴェン固有モード(TAE)は、2つのICRHアンテナ間の差周波数が、対応するアルヴェン連続スペクトルギャップの中心周波数程度であるときに励起される。ICRHビート波によって駆動されるTAEの比較的大きな振幅は、この新しい非線形励起機構が、粒子軌道に対するAEの影響の調査を可能にし得ることを示唆しており、ICRH加熱された熱核融合プラズマにおいて考慮されるべきである。

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Alfvén waveIon cyclotron heatingAlfvén eigenmode
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