Lemaitre model and cosmic mass
General Relativity and Quantum Cosmology
2015-07-15 v1
Abstract
The mass of a sphere of simmetry in the Lemaitre universe is discussed using the Hawking-Hayward quasi-local energy and clarifying existing ambiguities. A covariantly conserved current introduced by Cahill and McVittie is shown to be a multiple of the Kodama energy current.
Cite
@article{arxiv.1506.06358,
title = {Lemaitre model and cosmic mass},
author = {Valerio Faraoni},
journal= {arXiv preprint arXiv:1506.06358},
year = {2015}
}
Comments
10 pages, no figures, to appear in Gen. Rel. Gravit