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- W3097984521 abstract "We study Born-Infeld gravity coupled to a static, nonrotating electric field in $2+1$ dimensions and find exact analytical solutions. Two families of such solutions represent geodesically complete, and hence nonsingular, spacetimes. Another family represents a point-like charge with a singularity at the center. Despite the absence of rotation, these solutions resemble the charged, rotating BTZ solution of General Relativity but with a richer structure in terms of horizons. The nonsingular character of the first two families turn out to be attached to the emergence of a wormhole structure on their innermost region. This seems to be a generic prediction of extensions of General Relativity formulated in metric-affine (or Palatini) spaces, where metric and connection are regarded as independent degrees of freedom." @default.
- W3097984521 created "2020-11-23" @default.
- W3097984521 creator A5040786006 @default.
- W3097984521 creator A5047009759 @default.
- W3097984521 creator A5048391593 @default.
- W3097984521 creator A5061368124 @default.
- W3097984521 date "2017-01-24" @default.
- W3097984521 modified "2023-10-17" @default.
- W3097984521 title "Geodesically complete BTZ-type solutions of 2 + 1 Born–Infeld gravity" @default.
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