Weak deflection angle by Kalb-Ramond Traversable Wormhole in Plasma and Dark Matter Mediums

Abstract

This paper is devoted to compute the weak deflection angle for Kalb-Ramond traversable wormhole solution in plasma and dark matter mediums by using the method of Gibbons and Werner. To acquire our results, we evaluate Gaussian optical curvature by utilizing the Gauss-Bonnet theorem in the weak field limits. We also investigate the graphical influence of deflection angle $\tilde{\alpha }$ with respect to the impact parameter $\sigma$ and minimal radius $r_0$ in plasma medium. Moreover, we derive the deflection angle by using different method known as Keeton and Petters method. We also examine that if we remove the effects of plasma and dark matter, the results become identical to that of non-plasma case.

12 pages. Accepted for publication in UNIVERSE (https://www.mdpi.com/2218-1997/8/11/599)

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• Existence of Wormhole Solutions in $f(Q,T)$ Gravity under Non-commutative Geometries
• Constraints on charged Symmergent black hole from shadow and lensing
• Shadow and greybody bounding of a regular scale-dependent black hole solution
• Photonsphere, shadow, quasinormal modes, and greybody bounds of non-rotating Simpson-Visser black hole
• Deflection angle evolution with plasma medium and without plasma medium in a parameterized black hole