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Black holes and gravitational waves sourced by non-linear duality rotation-invariant conformal electromagnetic matter

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arxiv 2011.10836 v1 pith:DSWOYX6W submitted 2020-11-21 gr-qc

Daniel Flores-Alfonso , Blanca Angélica González-Morales , Román Linares , Marco Maceda This is my paper · ORCID
classification gr-qc
keywords blackconfigurationsconformaldualitygravitationalholeholeswaves
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Maxwell's equations are invariant under both duality rotations and conformal transformations. Recently Bandos, Lechner, Sorokin, and Townsend have found a nonlinear generalisation of electrodynamics which possesses both of these symmetries. We couple this theory to General Relativity and explore self-gravitating configurations with a clear physical interpretation. We find charged black holes and exact gravitational waves. The black hole geometry is Reissner-Nordstr\"om, however, the non-linearity parameter acts as a screening factor allowing extremal configurations where the mass of the black hole is smaller than its charge. Furthermore, we also discuss the phenomenon of birefringence and determine the optical metrics associated to the propagation of photons.

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Cited by 3 Pith papers

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