Joanna Piwnik, Joanna Gonera, Piotr Kosinski
Published 2024-05-23Version 1
The Fermat principle is used for the analysis of light propagation in the metric of a black hole. It is shown how to apply the Lindstedt-Poincare method of solving perturbatively the nonlinear oscillations to the description of light trajectories in weak deflection regime.
Shadow and weak deflection angle of a black hole in nonlocal gravity
Testing Generalized Einstein-Cartan-Kibble-Sciama Gravity using Weak Deflection Angle and Shadow Cast
Dark matter effect on the weak deflection angle by black holes at the center of Milky Way and M87 galaxies
![QR code for arXiv:2405.14462 [gr-qc]](http://oss.arxitics.com/images/favicon.svg)