Topological interaction of neutrino with photon in the magnetic field -- Electroweak Hall effect

Abstract

The effective interaction of a neutrino with a photon in magnetized plasma is obtained from a strong field expansion in the electroweak standard model. The interaction is expressed by a Chern-Simons form of the neutrino current and the electromagnetic vector potential of the coupling strength proportional to neB × e GF. The derivation of the interaction Lagrangian and its properties are presented.

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