Abstract
Due to its relevance for the characterization of the quark-gluon plasma (QGP) produced in ultrarelativistic heavy-ion collisions, conductivity is among the most important transport coefficients of QGP. By employing kinetic theory and the Kubo formula, we present a general derivation of electric and Hall conductivity of relativistic quark-gluon gas in the magnetic field. Furthermore, we investigate the temperature dependence of electric conductivity and Hall conductivity of QGP in magnetic field. We find that presence of the magnetic field leads to a decrease of the electric conductivity, especially at low temperatures. Finally, we present the relationship between conductivity and the polarization tensor of QGP.
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