A point mass in an isotropic universe: II. Global properties

Details A point mass in an isotropic universe: II. Global properties A point mass in an isotropic universe: II. Global properties

Apr 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cqgra..16.1227n&link_type=abstract

Classical and Quantum Gravity, Volume 16, Issue 4, pp. 1227-1254 (1999).

Physics

47

Scientific paper

The global structure of McVittie's solution representing a point mass embedded in a spatially flat Robertson-Walker universe is investigated. The scalar curvature singularity at proper radius R=2m, where m (constant) is the Schwarzschild mass, and the apparent horizon which surrounds it are studied. The conformal diagram for the spacetime is obtained via a qualitative analysis of the radial null geodesics. Particular attention is paid to the physical interpretation of this spacetime; previous work on this issue is reviewed, and to how recent quasi-local definitions of black and white holes relate to this spacetime.

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