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Excitation of electromagnetic waves across a beam of charged plasma particles

V. G. Makhanov, A. A. Rukhadze1963年被引用 4Nuclear FusionIF 3出版社

Excitation of electromagnetic waves propagating across a beam of charged plasma particles has been investigated and thermal motion taken into account. The excitation of electromagnetic waves is shown to occur both at directed beam velocities exceeding thermal particle velocities and at velocities smaller than the thermal velocities of plasma particles. With a slow beam whose directed velocity is smaller than any kind of thermal particle velocity in the system, excitation of electromagnetic waves does not occur. With an external magnetic field, excitation of waves propagating across a magnetic field (and consequently, across a beam) occurs at u2 > νA12 + νA22, where νA1 and νA2 are the Alfvén velocities, in the beam and in the quiescent plasma respectively.

日本語訳

荷電粒子のビームを横切って伝播する電磁波の励起が、熱運動を考慮に入れて調査された。電磁波の励起は、ビーム速度が熱粒子速度を超える場合と、プラズマ粒子の熱速度よりも小さい速度の場合の両方で発生することが示されている。その熱速度が系内のいかなる種類の粒子熱速度よりも小さい遅いビームでは、電磁波の励起は発生しない。外部磁場が存在する場合、磁場を横切って(したがってビームを横切って)伝播する波の励起は、u² > νA₁² + νA₂² において発生する。ここで、νA₁ と νA₂ はそれぞれビーム内および静止プラズマ内のアルフヴェン速度である。

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Electromagnetic waves
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