Fermat's principle in constant gravitational field
General Relativity and Quantum Cosmology
2024-09-12 v1
Abstract
Recently (Int.Journ.Mod.Phys. D27 (2018), 1847025) an interesting property of closed light rings in Kerr black holes has been noticed. We explain its origin and derive a slightly more general result.
Keywords
Cite
@article{arxiv.2106.10965,
title = {Fermat's principle in constant gravitational field},
author = {Joanna Gonera and Piotr Kosinski and Joanna Piwnik},
journal= {arXiv preprint arXiv:2106.10965},
year = {2024}
}
Comments
4 pages, 1 figure