377 citations · 636 across the 17 of their papers we have counts for
18 papers
Testing general relativity with binary black holes: a study on the sensitivity requirements for future space-based detectors
Tangchao Zhan, Changfu Shi, Shuo Sun +1
We study the sensitivity required for a future space-based detector to search for beyond general relativity effect in gravitational wave detection. To do this, we use the current d…
Constraining the dynamical Chern-Simons gravity with future gravitational wave detectors
Xinyi Che, Xiangyu Lyu, Changfu Shi
Dynamical Chern-Simons gravity, a parity-violating modification of general relativity, is regarded as a low-energy effective theory arising from string theory. Gravitational waves…
Detecting relativistic black hole collisions near a massive black hole
Yirong Fang, Changfu Shi, Jianwei Mei
Relativistic black hole collisions are one of the most dramatic astrophysical events that can be imagined. They could provide the ideal condition for searching for possible new phy…
Probing AGN Disks Density Profiles through Gravitational Wave Observations
Xiangyu Lyu, En-Kun Li, Changfu Shi +1
Massive black holes surrounded by a gaseous disk have been a prevailing model to explain a wide spectrum of astrophysical phenomena related to active galactic nucle (AGNs). However…
Contribution from Nonlinear Quasi-normal Modes in GW250114
Yuxin Yang, Changfu Shi, Yi-Ming Hu
We report evidence for nonlinear gravitational effects in the ringdown signal of gravitational wave event GW250114. Using Bayesian inference, we find that the inclusion of a nonlin…
Gravitational waves and cosmic boundary
Changfu Shi, Xinyi Che, Zeyu Huang +2
Space-based gravitational wave detectors have the capability to detect signals from very high redshifts. It is interesting to know if such capability can be used to study the globa…
On the detectability and resolvability of quasi-normal modes with space-based gravitational wave detectors
Changfu Shi, Qingfei Zhang, Jianwei Mei
The detection of quasi-normal modes during the ringdown phase is a crucial method for testing the no-hair theorem. In this paper, the detectability and resolvability of multiple qu…
Testing space-time non-commutativity with TianQin
Zeyu Huang, Changfu Shi, Xiangyu Lyu +1
The direct detection of gravitational waves offers a powerful tool to explore the nature of gravity and the structure of space-time. This paper focuses on the capabilities of space…
Bayesian analysis of gravitational wave memory effect with TianQin
Shuo Sun, Changfu Shi, Jian-dong Zhang +1
The memory effect in gravitational waves is a direct prediction of general relativity. The presence of the memory effect in gravitational wave signals not only serves as a test for…
Constraining the EdGB theory with higher harmonics and merger-ringdown contribution using GWTC-3
Baoxiang Wang, Changfu Shi, Jian-dong Zhang +2
In this paper, we revisit the problem of using gravitational wave data to test the Einstein-dilation-Gauss-Bonnet theory, by using nine selected gravitational wave events from GWTC…
Testing general relativity with TianQin: the prospect of using the inspiral signals of black hole binaries
Changfu Shi, Mujie Ji, Jian-dong Zhang +1
In this paper, we carry out a systematic study of the prospect of testing general relativity with the inspiral signals of black hole binaries that could be detected with TianQin. T…
Detecting the gravitational wave memory effect with TianQin
Shuo Sun, Changfu Shi, Jian-dong Zhang +1
The gravitational wave memory effect is a prediction of general relativity. The presence of memory effect in gravitational wave signals not only provides the chance to test an impo…
Science with the TianQin Observatory: Preliminary Results on Testing the No-hair Theorem with EMRI
Tie-Guang Zi, Jian-dong Zhang, Hui-Min Fan +4
Constituted with a massive black hole and a stellar mass compact object, Extreme Mass Ratio Inspiral (EMRI) events hold unique opportunity for the study of massive black holes, suc…
The TianQin project: current progress on science and technology
Jianwei Mei, Yan-Zheng Bai, Jiahui Bao +103
TianQin is a planned space-based gravitational wave (GW) observatory consisting of three earth orbiting satellites with an orbital radius of about . The satellites w…
Constraining modified gravity with ringdown signals: an explicit example
Jiahui Bao, Changfu Shi, Haitian Wang +4
An explicit example is found showing how a modified theory of gravity can be constrained with the ringdown signals from merger of binary black holes. This has been made possible by…
Science with the TianQin observatory: Preliminary results on testing the no-hair theorem with ringdown signals
Changfu Shi, Jiahui Bao, Haitian Wang +6
We study the capability of the space-based gravitational wave observatory TianQin to test the no-hair theorem of General Relativity, using the ringdown signal from the coalescence…
Hidden Conformal Symmetry for Vector Field on Various Black Hole Backgrounds
Changfu Shi, Jian-dong Zhang, Jianwei Mei
Hidden conformal symmetries of scalar field on various black hole backgrounds have been investigated for years, but whether those features holds for other fields are still open que…
Extended Symmetries at Black Hole Horizons in Generic Dimensions
Changfu Shi, Jianwei Mei
Recently it has been shown that there is asymptotic BMS-like symmetry associated with the near-horizon geometry of black holes in three and four dimensions. In this paper, we show…