Regular charged black hole construction in 2+1 -dimensions

Abstract

It is well-known that unlike its chargeless version the charged Banados-Teitelboim-Zanelli (BTZ) black hole solution in 2+1- dimensional spacetime is singular. We construct a charged, regular extension of the BTZ black hole solution by employing nonlinear Born-Infeld electrodynamics, supplemented with the Hoffmann term and gluing different spacetimes. The role of the latter term is to divide spacetime in a natural way into two regions by a circle and eliminate the inner singularity. Thermodynamics of such a black hole is investigated by Kaluza-Klein reduction to the 1+1-dimensional dilaton gravity.

9 pages, 2 figures, final version for publication in Physics Letters A

References in corpus (3)

• Thermodynamics of Einstein-Born-Infeld black holes in three dimensions
• d-dimensional non-asymptotically flat thin-shell wormholes in Einstein-Yang-Mills-Dilaton gravity
• Black holes and the classical model of a particle in Einstein non-linear electrodynamics theory

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