期刊
PHYSICAL REVIEW D
卷 81, 期 10, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.81.104044
关键词
-
资金
- DOE [DE-FG03-91ER40674]
- NSF [PHY-0645435]
We prove that a class of solutions to Einstein's equations-originally discovered by McVittie in 1933-includes regular black holes embedded in Friedmann-Robertson-Walker cosmologies. If the cosmology is dominated at late times by a positive cosmological constant, the metric is regular everywhere on and outside the black hole horizon and away from the big-bang singularity, and the solutions asymptote in the future and near the horizon to the Schwarzschild-de Sitter geometry. For solutions without a positive cosmological constant the would-be horizon is a weak null singularity.
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