Frequency variation for in vacuo photon propagation in the Standard-Model Extension

Abstract : In the presence of Lorentz Symmetry Violation (LSV) associated with the Standard-Model Extension (SME), we have recently shown the non-conservation of the energy-momentum tensor of a light-wave crossing an Electro-Magnetic (EM) background field even when the latter and the LSV are constant. Incidentally, for a space-time dependent LSV, the presence of an EM field is not necessary. Herein, we infer that in a particle description, the energy non-conservation for a photon implies violation of frequency invariance in vacuo, giving rise to a red or blue shift. We discuss the potential consequences on cosmology.
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Submitted on : Wednesday, May 22, 2019 - 2:45:14 AM
Last modification on : Thursday, September 12, 2019 - 12:47:00 AM

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José A. Helayël-Neto, Alessandro D.A.M. Spallicci. Frequency variation for in vacuo photon propagation in the Standard-Model Extension. Eur.Phys.J.C, 2019, 79 (7), pp.590. ⟨10.1140/epjc/s10052-019-7105-9⟩. ⟨hal-02136280⟩

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