通过零测地线波前考察Kerr度规
广义相对论与量子宇宙学
2019-03-05 v1
摘要
我们考察了Kerr度规中点源零测地线波前的奇异性。我们发现波前形成了非对称塌缩的管状结构，导致波前奇点中出现尖点特征。随着波前推进，尖点描绘出一个星形焦散管，该结构此前已通过透镜映射和测地线偏离方法被发现。因此，本研究中的波前方法有助于完善Kerr几何中焦散与引力透镜的图景。
引用
@article{arxiv.1903.00990,
title = {Examining the Kerr Metric through Wave Fronts of Null Geodesics},
author = {Thomas Kling and Eric Grotzke and Kevin Roebuck and Harry Waite},
journal= {arXiv preprint arXiv:1903.00990},
year = {2019}
}
备注
This is a post-peer-review, pre-copyedit version of an article published in General Relativity and Gravitation. The final authenticated version is available online at: https://doi.org/10.1007/s10714-019-2518-1