Gravitational lensing in black-bounce spacetimes

In this work, we calculate the deflection angle of light in a spacetime that interpolates between regular black holes and traversable wormholes, depending on the free parameter of the metric. Afterwards, this angular deflection is substituted into the lens equations which allows us to obtain physica...

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Bibliographic Details
Published in:Physical review. D 2020-08, Vol.102 (4), p.1, Article 044021
Main Authors: Nascimento, J. R., Petrov, A. Yu, Porfírio, P. J., Soares, A. R.
Format: Article
Language:English
Subjects:
Black holes
Deflection
Gravitational lenses
Position measurement
Wormholes
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Summary:In this work, we calculate the deflection angle of light in a spacetime that interpolates between regular black holes and traversable wormholes, depending on the free parameter of the metric. Afterwards, this angular deflection is substituted into the lens equations which allows us to obtain physically measurable results, such as the position of the relativistic images and the magnifications.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.102.044021