轴向Bianchi IX宇宙及其勒梅特-哈勃图
广义相对论与量子宇宙学
2023-12-19 v2 宇宙学与河外天体物理
摘要
我们计算了具有共动尘埃的轴向Bianchi IX宇宙的勒梅特-哈勃图。我们通过定义宇宙学原理的极小对称性破缺来阐明我们的选择动机。这一标准只允许两种可能性:轴向Bianchi I和Bianchi IX宇宙。后者具有正曲率,并在零曲率极限下退化为前者。值得注意的是,在存在共动尘埃的情况下,负曲率被这种极小对称性破缺所排除。
引用
@article{arxiv.2211.04844,
title = {Axial Bianchi IX and its Lema{\^i}tre-Hubble diagram},
author = {Galliano Valent and André Tilquin and Thomas Schücker},
journal= {arXiv preprint arXiv:2211.04844},
year = {2023}
}
备注
42 pages, 2 figures; version 2: references added, in particular to Hall's Lorentzian generalization of the theorem by Fubini used in our work, one figure added, one appendix added