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Parametric excitation of drift waves by ion-ion hybrid fields

Y. Satya, A. Sen, P. Kaw1975年被引用 11Nuclear FusionIF 3出版社

The behaviour of low-frequency drift waves in a two-species plasma under the influence of a large-amplitude spatially uniform electric field oscillating at the ion-ion hybrid frequency and applied across an ambient static magnetic field has been studied. The threshold powers for the parametric excitation of these drift waves are calculated and the characteristics of the dispersion relation near threshold and well above threshold are examined. At large applied powers (much above threshold), interesting modifications of the natural drift modes are found.

日本語訳

2成分プラズマにおける低周波ドリフト波の、イオン-イオン混成周波数で振動し、周囲の静磁場に対して垂直に印加された大振幅の空間的に一様な電場の影響下での挙動を研究した。これらのドリフト波のパラメトリック励起の閾値パワーを計算し、閾値付近および閾値を十分に超えた場合の分散関係の特性を調べた。印加パワーが大きい場合(閾値を十分に超える場合)、自然ドリフトモードの興味深い変調が見出された。

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Drift waves
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