Tidal effects cannot be absent in a vacuum
General Relativity and Quantum Cosmology
2009-11-10 v2
Abstract
It is shown that there are no vacuum space-times (with or without cosmological constant) for which the Weyl-tensor is purely gravito-magnetic with respect to a congruence of freely falling observers.
Keywords
Cite
@article{arxiv.gr-qc/0303056,
title = {Tidal effects cannot be absent in a vacuum},
author = {Norbert Van den Bergh},
journal= {arXiv preprint arXiv:gr-qc/0303056},
year = {2009}
}
Comments
4 pages, typos corrected