124 citations · 978 across the 30 of their papers we have counts for
31 papers
Ensemble-Based Residual Tests of GW231123 across Waveform Models
Dicong Liang, Hai-Tian Wang, Junlin Qin +3
GW231123 is an exceptional gravitational wave event for which different waveform models yield significantly different inferred source parameters. Residual tests provide a direct wa…
Asymptotically-flat Black holes in Bumblebee gravity: Exact solutions and Thermodynamics
Jinbo Yang, Zhan-Feng Mai, Dicong Liang +1
We construct analytic solutions to the bumblebee gravity theory in static and spherically symmetric spacetimes, where the bumblebee vector field admits only a non-vanishing tempora…
The stealth Kerr solution in the bumblebee gravity
Rui Xu, Zhan-Feng Mai, Dicong Liang
In this paper, we find Kerr solution accompanied with a nontrivial vector field as a solution to one of the simplest vector-tensor theories of gravity, namely the bumblebee model w…
Residual Test for the Third Gravitational-Wave Transient Catalog
Dicong Liang, Ning Dai, Yingjie Yang
The residual test is commonly used to check the agreement between the gravitational wave signal and the theoretical waveform template. The basic idea of the residual test is to sub…
Anatomy of parameter-estimation biases in overlapping gravitational-wave signals: detector network
Ziming Wang, Dicong Liang, Lijing Shao
With the significantly improved sensitivity and a wider frequency band, the next-generation gravitational-wave (GW) detectors are anticipated to detect GW signals per y…
Constraining Fermionic Dark Matter with Galactic Neutron Stars
Jianyuan Luo, Dicong Liang, Lijing Shao
Dark matter (DM) remains one of the most significant open questions in modern physics, with its nature and interactions largely unexplored. In this study, we investigate the behavi…
The Science of the Einstein Telescope
Adrian Abac, Raul Abramo, Simone Albanesi +485
Einstein Telescope (ET) is the European project for a gravitational-wave (GW) observatory of third-generation. In this paper we present a comprehensive discussion of its science ob…
Vetting quark-star models with gravitational waves in the hierarchical Bayesian framework
Ziming Wang, Yong Gao, Dicong Liang +2
The recent discovery of gravitational waves (GWs) has opened a new avenue for investigating the equation of state (EOS) of dense matter in compact stars, which is an outstanding pr…
Unveiling the existence of nontensorial gravitational-wave polarizations from individual supermassive black hole binaries with pulsar timing arrays
Dicong Liang, Siyuan Chen, Chao Zhang +1
With the strong evidence for a gravitational wave (GW) background in the nanohertz frequency band from pulsar timing arrays, the detection of continuous GWs from individual superma…
Dynamic instability analysis for bumblebee black holes: the odd parity
Zhan-Feng Mai, Rui Xu, Dicong Liang +1
Spherical black-hole (BH) solutions have been found in the bumblebee gravity where a vector field nonminimally couples to the Ricci tensor. We study dynamic (in)stability associate…
The Impact of Spin in Compact Binary Foreground Subtraction for Estimating the Residual Stochastic Gravitational-wave Background in Ground-based Detectors
Hanlin Song, Dicong Liang, Ziming Wang +1
Stochastic gravitational-wave (GW) background (SGWB) contains information about the early Universe and astrophysical processes. The recent evidence of SGWB by pulsar timing arrays…
Probing the vector charge of Sagittarius A* with pulsar timing
Zexin Hu, Lijing Shao, Rui Xu +2
Timing a pulsar orbiting around Sagittarius A* (Sgr A*) can provide us with a unique opportunity of testing gravity theories. We investigate the detectability of a vector charge ca…
Impact of overlapping signals on parameterized post-Newtonian coefficients in tests of gravity
Yixuan Dang, Ziming Wang, Dicong Liang +1
Gravitational waves have been instrumental in providing deep insights into the nature of gravity. Next-generation detectors, such as the Einstein Telescope, are predicted to have a…
Probing nontensorial gravitational waves with a next-generation ground-based detector network
Jierui Hu, Dicong Liang, Lijing Shao
In General Relativity, there are only two polarizations for gravitational waves. However, up to six polarizations are possible in a generic metric theory of gravity. Therefore, mea…
Importance of including higher signal harmonics in the modeling of extreme mass-ratio inspirals
Chao Zhang, Ning Dai, Dicong Liang
Extreme mass-ratio inspirals (EMRIs) are the most potential sources detectable by the Laser Interferometer Space Antenna (LISA). To analyze the influence of higher harmonics on par…
Extended thermodynamics of the bumblebee black holes
Zhan-Feng Mai, Rui Xu, Dicong Liang +1
As a vector-tensor theory including nonminimal coupling between the Ricci tensor and a vector field, the bumblebee gravity is a potential theory to test Lorentz symmetry violation.…
Anatomy of parameter-estimation biases in overlapping gravitational-wave signals
Ziming Wang, Dicong Liang, Junjie Zhao +2
In future gravitational-wave (GW) detections, a large number of overlapping GW signals will appear in the data stream of detectors. When extracting information from one signal, the…
Improved bounds on the bosonic dark matter with pulsars in the Milky Way
Dicong Liang, Lijing Shao
Neutron stars (NSs) can be used to constrain dark matter (DM) since a NS can transform into a black hole (BH) if it captures sufficient DM particles and exceeds the Chandrasekhar l…
Bumblebee black holes in light of Event Horizon Telescope observations
Rui Xu, Dicong Liang, Lijing Shao
We report the existence of novel static spherical black-hole solutions in a vector-tensor gravitational theory called the bumblebee gravity model which extends the Einstein-Maxwell…
Probing vector hair of black holes with extreme mass ratio inspirals
Dicong Liang, Rui Xu, Zhan-Feng Mai +1
The bumblebee gravity model, with a vector field nonminimally coupled to gravity, is a natural extension of the Einstein-Maxwell theory. In this theory, a black hole can carry a ve…
Gravitational waves from eccentric extreme mass-ratio inspirals as probes of scalar fields
Chao Zhang, Yungui Gong, Dicong Liang +1
We study eccentric orbits of the Schwarzschild spacetime for extreme mass ratio system (EMRI) in modified gravity theories with additional scalar fields. Due to the additional ener…
Static spherical vacuum solutions in the bumblebee gravity model
Rui Xu, Dicong Liang, Lijing Shao
The bumblebee gravity model is a vector-tensor theory of gravitation where the vector field nonminimally couples to the Ricci tensor. By investigating the vacuum field equations wi…
Polarizations of Gravitational Waves in the Bumblebee Gravity Model
Dicong Liang, Rui Xu, Xuchen Lu +1
Lorentz violation modifies the dispersion relation of gravitational waves (GWs), and induces birefringence and anisotropy in propagation. Our study shows that Lorentz violation can…
Intermediate Mass-Ratio Inspirals with Dark Matter Minispikes
Ning Dai, Yungui Gong, Tong Jiang +1
The dark matter (DM) distributed around an intermediate massive black hole (IMBH) forms an overdensity region called DM minispike. We consider the binary system which consists of a…