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- Chinese Academy of SciencesCN110 papers
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5 papers · 1 filter
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…
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…
The frequency separations of stellar p-modes
W. M. Yang, S. L. Bi
Aims. The purpose of this work is to investigate a new frequency separation of stellar p-modes and its characteristics. Methods. Frequency separations are deduced from the asymptot…
Second post-Newtonian approximation of scalar-tensor theory of gravity
Yi Xie, Wei-Tou Ni, Peng Dong +1
Deep space laser ranging missions like ASTROD I (Single-Spacecraft Astrodynamical Space Test of Relativity using Optical Devices) and ASTROD, together with astrometry missions like…
General description of Dirac spin-rotation effect with relativistic factor
C. M. Zhang
The Mashhoon rotation-spin coupling is studied by means of the parallelism description of general relativity. The relativistic rotational tetrad is exploited, which results in the…