Konar, Sushan2012-03-142012-03-142001-02-03http://hdl.handle.net/11007/1481Using the real time formalism of the finite temperature field theory we calculate the 1-loop polarization tensor in the presence of a background magnetic field in a medium. The expression is obtained to linear order in the background field strength. We discuss the Faraday rotation as well as the photon absorption probabilities in this context.enMagnetized mediumPhoton propagationArticle