Browsing by Author "Das, Subinoy"

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    Neutrino propagation in a weakly magnetized medium
    (2002-03-02) Konar, Sushan; Das, Subinoy
    Neutrino-photon processes, forbidden in vacuum, can take place in the presence of a thermal medium and/or an external electro-magnetic field, mediated by the corresponding charged leptons (real or virtual). Such interactions affect the propagation of neutrinos through a magnetized plasma. We investigate the neutrino-photon absorptive processes, at the one-loop level, for massless neutrinos in a weakly magnetized plasma. We find that there is no correction to the absorptive part of the axial-vector–vector amplitude due to the presence of a magnetic field to the linear order in the field strength.