陈-特o引力瞬时模型的扭拓理论
广义相对论与量子宇宙学
2024-09-16 v3 高能物理 - 理论
微分几何
摘要
四维李光度-平坦度量对应于某些关于扭拓空间的全纯向量束。我们通过展示和描述它们的粘接矩阵,显式构造这些束,针对陈和特o构建的五参数族黄金-阿尔弗雷德(Riemannian ALF)度量。陈-特o家族包含一个二维参数的渐近平坦引力瞬时家族。这些瞬时对象的粘接矩阵采用简单有理形式。
引用
@article{arxiv.2405.08170,
title = {Twistor theory of the Chen--Teo gravitational instanton},
author = {Maciej Dunajski and Paul Tod},
journal= {arXiv preprint arXiv:2405.08170},
year = {2024}
}
备注
Dedicated to Nick Woodhouse on the occasion of his 75th birthday. The link between the twistor mass and NUT parameters and the Kunduri-Lucietti mass and the Chen-Teo NUT clarified following a comment from James Lucietti. Final version, to appear in CQG