Light propagation and gravitational lensing effects in charged Kalb-Ramond spacetime in nonlinear electrodynamics

Abstract

In this work, we theoretically investigate the deflection of light for strong- and weak-field regimes in the background of an electrically charged BH described in Kalb-Ramond gravity, which introduces the Lorentz symmetry violation parameter $l$, as well as the control of the degree of nonlinearity incorporated by electrodynamics through the parameter $\gamma$. We analytically constructed the expansion coefficients in both limits and used them as a basis to investigate gravitational lensing effects through observables, taking into account the variation of the parameters involved in the model, both for the canonical field and the phantom case.

arXiv comment19 pages, 17 figures and 6 tables -- version accepted for publication in PLB

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