On Born-Infeld Gravity in Weitzenbock spacetime

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Using the Teleparallel Equivalent of General Relativity formulated in Weitzenböck spacetime, we thoroughly explore a kind of Born-Infeld regular gravity leading to second order field equations for the vielbein components. We explicitly solve the equations of motion for two examples: the extended BTZ black hole, which results to exist even if the cosmological constant is positive, and a cosmological model with matter, where the scale factor results to be well behaved, giving so a singularity-free solution.
8 pages, 1 figure. Accepted for publication in Phys. Rev. D

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General Relativity and Quantum Cosmology, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/215091

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0812.1981
 http://arxiv.org/abs/0812.1981
 Phys.Rev.D78:124019,2008
 doi:10.1103/PhysRevD.78.124019

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