Tigik SF, Yoon PH, Ziebell LF. Bremsstrahlung emission and collisional damping rate for Langmuir waves.
PLASMA PHYSICS AND CONTROLLED FUSION 2019;
61:10.1088/1361-6587/ab4aad. [PMID:
32071488 PMCID:
PMC7027587 DOI:
10.1088/1361-6587/ab4aad]
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Abstract
The emission of electrostatic Langmuir waves by collisional process, termed electrostatic bremsstrahlung emission, and the collisional damping of Langmuir waves, which can be considered as the inverse electrostatic bremsstrahlung process, are rigorously discussed. Some inaccuracies in the previous formalisms are also corrected. It is shown that the improved formulae in the case of Maxwellian particle distributions are given in forms where they satisfy Kirchhoff's law in the balanced form.
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