Brans-Dicke analogue of the Roberts geometry

被引：1
作者：
Fahim, Bardia H. [1 ]
Faraoni, Valerio [1 ]
Giusti, Andrea [1 ]
机构：
[1] Bishops Univ, Dept Phys & Astron, 2600 Coll St, Sherbrooke, PQ J1M 1Z7, Canada
来源：
PHYSICAL REVIEW D | 2021年 / 103卷 / 08期
关键词：
EXTREME CRITICAL SPACETIME; CRITICAL-BEHAVIOR; GRAVITATIONAL COLLAPSE; IMPLODING SCALAR; MACHS PRINCIPLE; GRAVITY; TIME;
D O I：
10.1103/PhysRevD.103.084004
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report a new one-parameter family of spherically symmetric, inhomogeneous, and time-dependent solutions of the vacuum Brans-Dicke field equations which are conformal to the Roberts scalar field geometries of Einstein gravity. The new solution is spherical and time-dependent and contains a naked central singularity. We use it as a seed to generate another two-parameter family of solutions using a known symmetry of vacuum Brans-Dicke gravity.
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页数：6
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