Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Weak Gravitational Lensing by Bocharova-Bronnikove-Melnikov-Bekenstein Black Holes Using Gauss-Bonnet Theorem

Version 1 : Received: 26 March 2020 / Approved: 26 March 2020 / Online: 26 March 2020 (06:39:35 CET)

A peer-reviewed article of this Preprint also exists.

Javed, W., Khadim, M.B. & Övgün, A. Weak gravitational lensing by Bocharova–Bronnikov–Melnikov–Bekenstein black holes using Gauss–Bonnet theorem. Eur. Phys. J. Plus 135, 595 (2020). https://doi.org/10.1140/epjp/s13360-020-00619-x Javed, W., Khadim, M.B. & Övgün, A. Weak gravitational lensing by Bocharova–Bronnikov–Melnikov–Bekenstein black holes using Gauss–Bonnet theorem. Eur. Phys. J. Plus 135, 595 (2020). https://doi.org/10.1140/epjp/s13360-020-00619-x

Journal reference: The European Physical Journal Plus 2020, 135, 595
DOI: 10.1140/epjp/s13360-020-00619-x

Abstract

In this article, we demonstrate the weak gravitational lensing in the context of Bocharova-Bronnikove-Melnikov-Bekenstein (BBMB) black hole. To this desire, we derive the deflection angle of light in a plasma medium by BBMB black hole using the Gibbons and Werner method. First, we obtain the Gaussian optical curvature and implement the Gauss-Bonnet theorem to investigate the deflection angle for spherically symmetric spacetime of BBMB black hole. Moreover, we also analyze the graphical behavior of deflection angle by BBMB black hole in the presence of plasma medium.

Subject Areas

weak gravitational lensing; black hole; deflection angle; Gauss-Bonnet theorem

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