强磁场中等离子体的光吸收
Photoabsorption in a plasma in a high magnetic field
摘要：
用多体量子场论方法重新研究了强磁场中完全电离等离子体的光吸收。对于在电子回旋共振附近的频率，我们得到的速率显着不同意从那些在文献中。在我们的工作中，引起大部分分歧的新因素是包含共振态能量移动的最低阶实部，实际上，以前的作者只包含虚部。在质子回旋共振周围和下方的区域，我们的结果也与以前的作者不一致，原因有很多。
英文摘要：
Photo-absorption in fully ionized plasmas in high magnetic fields is re-examined, using the methods of many-body quantum field theory. For frequencies in the immediate vicinity of the electron cyclotron resonance the rates we obtain disagree markedly from those in the literature. The new element in our work that causes most of the disagreement is the inclusion of the lowest order real part of the energy-shift of the resonant state, where, in effect, previous authors had included only the imaginary part. In a region around and below the proton cyclotron resonance our results also disagree with those of previous authors, for a number of reasons.
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