Gravitational lensing by a charged black hole of string theory

Arunava Bhadra

Type: Article

Publication Date: 2003-05-27

Citations: 178

DOI: https://doi.org/10.1103/physrevd.67.103009

Abstract

We study gravitational lensing by the Gibbons-Maeda-Garfinkle-Horowitz-Strominger (GMGHS) charged black hole of heterotic string theory and obtain the angular position and magnification of the relativistic images. Modeling the supermassive central object of the galaxy as a GMGHS black hole, we estimate the numerical values of different strong-lensing parameters. We find that there is no significant string effect present in the lensing observables in the strong-gravity scenario.

Locations

Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields - View
arXiv (Cornell University) - View - PDF
DataCite API - View

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