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Excitations of electrostatic ion-cyclotron oscillations in weakly ionized plasma placed in an external d. c. electric field

B. Milić, D. Sünder1969年被引用 7Nuclear FusionIF 3出版社

The excitation of ion-cyclotron oscillations in a weakly ionized plasma placed in an external d.c. electric field parallel to the field of magnetization is considered and the threshold electron drift is determined. The process is treated kinetically, and elastic collisions of charged particles with neutrals are described by Boltzmann collision integral. It is shown that the oscillations begin in the long-wave region and that their excitation may depend on ion collisions. In moderate magnetic fields (νe ≫ Ωi ≫ νi) electron collisions significantly facilitate the process of excitation.

日本語訳

磁化の場に平行な外部直流電場中に置かれた弱電離プラズマにおけるイオンサイクロトロン振動の励起を考察し、閾値電子ドリフトを決定する。この過程は運動論的に扱われ、荷電粒子と中性粒子との弾性衝突はボルツマン衝突積分によって記述される。振動は長波長領域で始まり、その励起はイオン衝突に依存し得ることが示される。中程度の磁場(νe ≫ Ωi ≫ νi)では、電子衝突が励起過程を著しく促進する。

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Weakly ionized plasma
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