Silent universes with a cosmological constant
General Relativity and Quantum Cosmology
2008-11-26 v3
Abstract
We study non-degenerate (Petrov type I) silent universes in the presence of a non-vanishing cosmological constant L. In contrast to the L=0 case, for which the orthogonally spatially homogeneous Bianchi type I metrics most likely are the only admissible metrics, solutions are shown to exist when L is positive. The general solution is presented for the case where one of the eigenvalues of the expansion tensor is 0.
Keywords
Cite
@article{arxiv.gr-qc/0402125,
title = {Silent universes with a cosmological constant},
author = {Norbert Van den Bergh and Lode Wylleman},
journal= {arXiv preprint arXiv:gr-qc/0402125},
year = {2008}
}
Comments
11 pages; several typos corrected which were still present in CGQ version; minor changes