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Asymmetry of combination frequency spectra in a bounded plasma

B.N. Rutkevich, V.D. Fedorchenko, V.I. Muratov1971年Nuclear FusionIF 3出版社

The authors study the effects resulting in the asymmetry of combination frequency spectra observed when high-frequency and low-frequency oscillations interact in a plasma column. Asymmetric spectra are the result of amplitude and phase modulation of a high-frequency wave. The phase modulation is due to the dependence of the wave number on the plasma density and velocity of motion of the electrons in the low-frequency wave field. The amplitude modulation is produced by the action of two mechanisms, one of which is associated with transverse motion of the plasma (with respect to the axis of the system), while the second is related to the instability of the system relative to the high-frequency oscillations.

日本語訳

著者らは,プラズマ柱内で高周波振動と低周波振動が相互作用する際に観測される合成周波数スペクトルの非対称性をもたらす効果について研究する。非対称スペクトルは,高周波波の振幅変調および位相変調の結果である。位相変調は,低周波波動場内におけるプラズマ密度および電子の運動速度に対する波数の依存性に起因する。振幅変調は2つの機構の作用によって生じ,その1つは(系の軸に対する)プラズマの横方向運動に関連し,もう1つは高周波振動に対する系の不安定性に関連する。

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