Absorption by black hole remnants in metric-affine gravity

Using numerical methods, we investigate the absorption properties of a family of nonsingular solutions which arise in different metric-affine theories, such as quadratic and Born-Infeld gravity. These solutions continuously interpolate between Schwarzschild black holes and naked solitons with wormho...

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Bibliographic Details
Published in:Physical review. D 2019-07, Vol.100 (2), p.024016, Article 024016
Main Authors: Delhom, Adria, Macedo, Caio F. B., Olmo, Gonzalo J., Crispino, Luís C. B.
Format: Article
Language:English
Subjects:
Absorption
Black holes
Gravitation
Numerical methods
Solitary waves
Topology
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Summary:Using numerical methods, we investigate the absorption properties of a family of nonsingular solutions which arise in different metric-affine theories, such as quadratic and Born-Infeld gravity. These solutions continuously interpolate between Schwarzschild black holes and naked solitons with wormhole topology. The resulting spectrum is characterized by a series of quasibound states excitations, associated with the existence of a stable photonsphere.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.100.024016