489 citations · 1.1k across the 14 of their papers we have counts for
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gr-qc2008★ 46 cited
What is the fate of a black hole embedded in an expanding universe?
Valerio Faraoni, Changjun Gao, Xuelei Chen +1
Within a large class of exact solutions of the Einstein equations describing a black hole embedded in a Friedmann universe it is shown that, under certain assumptions, only those w…
gr-qc2008★ 106 cited
Does the mass of a black hole decrease due to the accretion of phantom energy
Changjun Gao, Xuelei Chen, Valerio Faraoni +1
According to Babichev et al., the accretion of a phantom test fluid onto a Schwarzschild black hole will induce the mass of the black hole to decrease, however the backreaction was…
gr-qc2004
Testing non-standard cosmological models with supernovae
Dirk Puetzfeld, Xuelei Chen
In this work we study the magnitude-redshift relation of a non-standard cosmological model. The model under consideration was firstly investigated within a special case of metric-a…