Gravitational lensing by Einstein-Born-Infeld black holes

Ernesto F. Eiroa
Phys. Rev. D 73, 043002 – Published 10 February 2006

Abstract

In this paper, charged black holes in general relativity coupled to Born-Infeld electrodynamics are studied as gravitational lenses. The positions and magnifications of the relativistic images are obtained using the strong deflection limit, and the results are compared with those corresponding to a Reissner-Nordström black hole with the same mass and charge. As numerical examples, the model is applied to the supermassive Galactic center black hole and to a small size black hole situated in the Galactic halo.

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  • Received 12 November 2005

DOI:https://doi.org/10.1103/PhysRevD.73.043002

©2006 American Physical Society

Authors & Affiliations

Ernesto F. Eiroa*

  • Instituto de Astronomía y Física del Espacio, C.C. 67, Suc. 28, 1428, Buenos Aires, Argentina

  • *e-mail: eiroa@iafe.uba.ar

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Vol. 73, Iss. 4 — 15 February 2006

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