Godel Metrics with Chronology Protection in Horndeski Gravities
General Relativity and Quantum Cosmology
2018-03-14 v2 High Energy Physics - Theory
Abstract
G\"odel universe, one of the most interesting exact solutions predicted by General Relativity, describes a homogeneous rotating universe containing naked closed time-like curves (CTCs). It was shown that such CTCs are the consequence of the null energy condition in General Relativity. In this paper, we show that the G\"odel-type metrics with chronology protection can emerge in Einstein-Horndeski gravity. We construct such exact solutions also in Einstein-Horndeski-Maxwell and Einstein-Horndeski-Proca theories.
Keywords
Cite
@article{arxiv.1801.00009,
title = {Godel Metrics with Chronology Protection in Horndeski Gravities},
author = {Wei-Jian Geng and Shou-Long Li and H. Lu and Hao Wei},
journal= {arXiv preprint arXiv:1801.00009},
year = {2018}
}
Comments
Latex, 11 pages, references added