On causality violation in Lyra Geometry
General Relativity and Quantum Cosmology
2018-08-01 v1
Abstract
In this paper the causality issues are discussed in a non-Riemannian geometry, called Lyra geometry. It is a non-Riemannian geometry originated from Weyl geometry. In order to compare this geometry with the Riemannian geometry, the Einstein field equations are considered. It is verified that the G\"{o}del and G\"{o}del-type metric are consistent with this non-Riemannian geometry. A non-trivial solution for G\"{o}del universe in the absence of matter sources is determined without analogue in general relativity. Different sources are considered and then different conditions for causal and non-causal solutions are discussed.
Keywords
Cite
@article{arxiv.1804.05727,
title = {On causality violation in Lyra Geometry},
author = {W. D. R. Jesus and A. F. Santos},
journal= {arXiv preprint arXiv:1804.05727},
year = {2018}
}
Comments
13 pages, accepted for publication in Int. J. Geom. Meth. Mod. Phys