Gravitational lensing in a black-bounce traversable wormhole spacetime
J. R. Nascimento, A. Yu. Petrov, P. J. Porfirio, A. R. Soares
TL;DR
This paper investigates how light bends in a spacetime that transitions between black holes and wormholes, providing measurable predictions for gravitational lensing effects.
Contribution
It introduces a model that interpolates between black holes and wormholes and calculates observable lensing phenomena in this spacetime.
Findings
Calculated deflection angles for the spacetime model
Predicted positions of relativistic images
Estimated magnifications of lensed images
Abstract
In this work, we calculate the deflection angle of light in a spacetime that interpolates between regular black holes and traversable wormholes, depending on the free parameter of the metric. Afterwards, this angular deflection is substituted into the lens equations which allows to obtain physically measurable results, such as the position of the relativistic images and the magnifications.
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