Submitted:
04 December 2020
Posted:
07 December 2020
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Abstract
In this paper, by considering Einstein-Hilbert-Bumblebee (EHB) gravity around global monopole field, we derive exactly a black hole spacetime metric. To test the effect of global monopole field and bumblebee field, which causes the spontaneous Lorentz symmetry breaking, we calculate the weak deflection angle using the Gauss-Bonnet theorem.
Keywords:
Weak Deflection Angle
; Gauss-Bonnet theorem
; Global Monopole
; Bumblebee Gravity
; Gravitational lensing.
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