3 papers
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…
astro-ph2007★ 489 cited
A Holographic Dark Energy Model from Ricci Scalar Curvature
Changjun Gao, Fengquan Wu, Xuelei Chen +1
Motivated by the holographic principle, it has been suggested that the dark energy density may be inversely proportional to the area of the event horizon of the Universe. However,…
gr-qc2006★ 6 cited
Geometric Flows and Black Holes
Fu-Wen Shu, You-Gen Shen
Motivated by the newest progress in geometric flows both in mathematics and physics, we apply the geometric evolution equation to study some black-hole problems. Our results show t…