PARTICLE INTERACTIONS IN COMPACT OBJECTS AND THE EARLY UNIVERSE
Khan, Faiz Ahmad
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We show there is an effect of an extremely large magnetic field in highly dense media that has not been explored in prior work. We discuss the renormalizability of QED in such a medium. These extreme situations are found in the exotic environment of compact objects, especially neutron stars. It is found that the renormalization constants of QED are significantly modified in stellar media due to an additional B dependent term that appears due to the very high magnetic field in a star. The newly computed renormalization constants can be used as effective parameters of QED to study the particle processes in hot and dense stars with a strong magnetic field. We propose to use modified parameters to analyze astrophysical data and investigate the structure and composition of stars.
Institutional Repository URIhttps://hdl.handle.net/10657.1/2625