A point mass in an isotropic universe: III. The region $R\leq 2m$

Details A point mass in an isotropic universe: III. The region $R\leq 2m$ A point mass in an isotropic universe: III. The region $R\leq 2m$

1999-07-05

arxiv.org/abs/gr-qc/9907018v1

Class.Quant.Grav. 16 (1999) 3183-3191

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Revtex, 11pp. To appear in Class.Quant.Grav. Paper II appeared as Class. Quant. Grav. 16 (1999) 1227

Scientific paper

10.1088/0264-9381/16/10/310

McVittie's solution of Einstein's field equations, representing a point mass embedded into an isotropic universe, possesses a scalar curvature singularity at proper radius $R=2m$. The singularity is space-like and precedes, in the expanding case, all other events in the space-time. It is shown here that this singularity is gravitationally weak, and the possible structure of the region $R\leq 2m$ is investigated. A characterization of this solution which does not involve asymptotics is given.

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