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Astrophysical limits on gauge invariance breaking in electrodynamics with torsion |
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| Authors: | C Sivaram L C Garica de Andrade |
| Institution: | (1) Grupo de Relatividade e Teória do Campo, Instituto de Física, UERJ, Rio de Janeiro, Brasil;(2) Indian Institute of Astrophysics, Bangalore, India;(3) Istituto de Fisica dell'a Universita, Ferrara, Italia;(4) Grupo de Relatividade e Teória do Campo, Instituto de Física, UERJ, Rio de Janeiro, Brasil |
| Abstract: | General relativistic electrodynamics in a torsion background can give rise to a situation where the photons can ahve a non-zero rest mass and magnetic moment. Astrophysical limits are used to constrain these parameters. |
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