Free-free opacity in strong magnetic fields |
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Authors: | Andrej ?ade? Miroslav Javornik |
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Institution: | (1) Institute of Mathematics, Physics and Mechanics Ljubljana, Yugoslavia;(2) University Edvard Kardelj in Ljubljana, Yugoslavia |
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Abstract: | A way of computing the absorption cross-section for photons on electrons undergoing free-free transitions in magnetic plasma is described. Theoretical expressions for the free-free cross sections in magnetic plasma are given in a representation in which they can be easily compared with the classical results in the absence of the magnetic field. The results of numerical computations of these cross-sections are also presented and discussed. Finally the free-free cross-sections are averaged over the electron states in magnetic plasma in thermal equilibrium, yielding the opacity coefficient as a function of photons frequency. The results of numerical computations are given in graphical form. |
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