Ultraviolet modified photons and anisotropies in the cosmic microwave background radiation
J. Gamboa, J. Lopez-Sarrion, A. P. Polychronakos
Abstract
We discuss a minimal canonical modification of electrodynamics in order to account for ultraviolet Lorentz violating effects. This modification creates a birefringence that rotates the polarization planes from different directions. Such effects might be detectable in the anisotropic polarization of the Cosmic Microwave Background radiation.
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