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Author: search.filters.author.Ganguly, Avijit K.Subject: search.filters.subject.Electro-magnetic Waves:Absorption

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    Absorption of Electro-magnetic Waves in a Magnetized Medium
    (2000-07-04) Ganguly, Avijit K.; Konar, Sushan
    In continuation to our earlier work, in which the structure of the vacuum polarisation tensor in a medium was analysed in presence of a background electro-magnetic field, we discuss the absorptive part of the vacuum polarization tensor. Using the real time formalism of finite temperature field theory we calculate the absorptive part of 1-loop vacuum polarisation tensor in the weak field limit (eB < m2 ). Estimates of the absorption probability are also made for different physical conditions of the background medium.