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Electron radiation in a plasma-magnetic-field boundary layer

V.V. Dolgopolov, V.I. Pakhomov, K.N. Stepanov1964年被引用 1Nuclear FusionIF 3出版社

It is shown that the intensity of cyclotron radiation of electrons in the plasma-magnetic-field boundary layer decreases by mc2/T times (T is plasma temperature) in comparison with radiation in the void, because dielectric permeability is large in a frequency range of the order of cyclotron frequency. Radiation intensity per unit plasma surface equals in order of magnitude, where n0 is plasma density.Because of plasma resonance in a non-uniform layer, bremsstrahlung in frequency ranges lower than the maximum Langmuir frequency is mc2/T times as large as cyclotron radiation, even for the case of rare collisions.If Langmuir oscillations in the layer are unstable because of the presence of electron drift velocity, radiation of the layer exceeds thermal radiation at the Langmuir frequency by (mc2T2/e6n0)1/2 times.

日本語訳

プラズマ・磁場境界層における電子のサイクロトロン放射の強度は、真空中での放射と比較して、mc2/T倍(Tはプラズマ温度)だけ減少することが示されている。これは、サイクロトロン周波数のオーダーの周波数領域において誘電率が大きいためである。プラズマ表面単位面積あたりの放射強度は、オーダー的にn0に等しい(n0はプラズマ密度)。非一様層におけるプラズマ共鳴のため、最大ラングミュア周波数より低い周波数領域での制動放射は、サイクロトロン放射よりもmc2/T倍大きい。層内のラングミュア振動が電子ドリフト速度の存在により不安定である場合、層からの放射はラングミュア周波数において熱放射を(mc2T2/e6n0)1/2倍上回る。

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