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Transport due to ηi modes in the presence of radiofrequency fields

R. Singh, H. Nordman1990年Nuclear FusionIF 3出版社

The influence of a radiofrequency (RF) wave in the ion cyclotron range of frequencies (ICRF) on the toroidal ion temperature gradient driven drift mode (ηi mode) is presented. The four-wave parametric process involving a fast magnetosonic source wave and ion cyclotron sidebands is considered. Explicit expressions for the non-linear growth rate and the associated ion thermal conductivity are derived. The stability and transport properties are found to be sensitive to the sign of, where and are the pump and the ηi mode wave vectors, respectively.

日本語訳

イオンサイクロトロン周波数帯域(ICRF)における高周波(RF)波が、トロイダルイオン温度勾配駆動ドリフトモード(ηiモード)に及ぼす影響について提示する。高速磁気音波源波とイオンサイクロトロン側帯波を含む四波パラメトリック過程を考察する。非線形成長率とそれに関連するイオン熱伝導率の明示的な式を導出する。安定性と輸送特性は、 の符号に敏感であることがわかる。ここで、 と はそれぞれポンプ波とηiモードの波数ベクトルである。

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