Some classical features of polynomial higher derivative gravities

被引：0
|
作者：
Giacchini, Breno Loureiro [1 ,2 ]
Netto, Tiberio de Paula [1 ,3 ]
机构：
[1] Southern Univ Sci & Technol, Dept Phys, Shenzhen, Guangdong, Peoples R China
[2] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, RJ, Brazil
[3] Univ Fed Juiz de Fora, ICE, Dept Fis, Juiz De Fora, MG, Brazil
来源：
15TH MARCEL GROSSMANN MEETING, PT A | 2022年
关键词：
Higher-derivative gravity; Lee-Wick gravity; Spacetime singularities;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this talk we discuss some classical aspects of general polynomial higher-derivative gravity. In particular, we describe the behaviour of the weak-field solutions associated to a point-like mass at small distances and provide necessary and sufficient conditions for the metric to be regular. We also consider the metric for a collapsing thick null shell, and verify that it is regular if the aforementioned conditions are valid.
引用
收藏
页码：416 / 420
页数：5
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