Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of the Magnetic Charge on Weak Deflection Angle and Greybody Bound of the Black Hole in Einstein-Gauss-Bonnet Gravity

Version 1 : Received: 9 November 2021 / Approved: 12 November 2021 / Online: 12 November 2021 (15:09:25 CET)

A peer-reviewed article of this Preprint also exists.

Journal reference: Physics Letters B 2022, 829, 137114
DOI: 10.1016/j.physletb.2022.137114


The objective of this paper is to analyze the weak deflection angle of Einstein-Gauss-Bonnet gravity in the presence of plasma medium. To attain our results, we implement the Gibbons and Werner approach and use the Gauss-Bonnet theorem to Einstein gravity to acquire the resulting deflection angle of photon's ray in the weak field limit. Moreover, we illustrate the behavior of plasma medium and non-plasma mediums on the deflection of photon's ray in the framework of Einstein-Gauss-Bonnet gravity. Similarly, we observe the graphical influences of deflection angle on Einstein-Gauss-Bonnet gravity with the consideration of both plasma and non-plasma mediums. Later, we observe the rigorous bounds phenomenon of the greybody factor in contact with Einstein-Gauss-Bonnet gravity and calculate the outcomes, analyze graphically for specific values of parameters.


Relativity; Gravitation Lensing; Black hole; Gauss-Bonnet Theorem; Deflection angle; Plasma medium; Greybody


PHYSICAL SCIENCES, General & Theoretical Physics

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