BMS charges in polyhomogeneous spacetimes

被引：12

作者：

Godazgar, Mahdi ^{[1
]}

Long, George ^{[1
]}

机构：

[1] Queen Mary Univ London, Sch Math Sci, Mile End Rd, London E1 4NS, England

来源：

PHYSICAL REVIEW D | 2020年 / 102卷 / 06期

关键词：

VACUUM EINSTEIN EQUATIONS; HYPERBOLOIDAL CAUCHY DATA; REST-MASS FIELDS; GRAVITATIONAL-WAVES; GENERAL-RELATIVITY; OBSTRUCTIONS; SMOOTHNESS;

D O I：

10.1103/PhysRevD.102.064036

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We classify the asymptotic charges of a class of polyhomogeneous asymptotically flat spacetimes with finite shear, generalizing recent results on smooth asymptotically flat spacetimes. Polyhomogeneous spacetimes are a formally consistent class of spacetimes that do not satisfy the well-known peeling property. As such, they constitute a more physical class of asymptotically flat spacetimes compared to the smooth class. In particular, we establish that the generalized conserved nonlinear Newman-Penrose charges that are known to exist for such spacetimes are a subset of asymptotic BMS charges.

引用

页数：24

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