• Corpus ID: 249926380

Conformally Schwarzschild cosmological black holes

@inproceedings{Sato2022ConformallySC,
  title={Conformally Schwarzschild cosmological black holes},
  author={Takuma Sato and Hideki Maeda and Tomohiro Harada},
  year={2022}
}
We thoroughly investigate conformally Schwarzschild spacetimes in different coordinate systems to seek for physically reasonable models of a cosmological black hole. We assume that a conformal factor depends only on the time coordinate and the spacetime is asymptotically flat Friedmann-Lemâıtre-RobertsonWalker universe filled by a perfect fluid obeying a linear equation state p = wρ with w > −1/3. In this class of spacetimes, the McClure-Dyer spacetime, constructed in terms of the isotropic… 

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