3 papers
gr-qc2019
Silhouettes of invisible black holes
Vyacheslav I. Dokuchaev, Natalia O. Nazarova
In general relativity, isolated black holes are invisible due to an infinitely large redshift of photons propagating from the event horizon to the remote observer. However, the dar…
gr-qc2018
Black Hole in a Radiation-Dominated Universe
Eugeny Babichev, Vyacheslav Dokuchaev, Yury Eroshenko
We study a black hole in an expanding Universe during the radiation-dominated stage. In the case when the black hole radius is much smaller than the cosmological horizon, we presen…
gr-qc2016
On maximal analytical extension of the Vaidya metric
V. A. Berezin, V. I. Dokuchaev, Yu. N. Eroshenko
The classical Vaidya metric is transformed to the special diagonal coordinates in the case of the linear mass function allowing rather easy treatment. We find the exact analytical…