activity
20192026
most citedClosing a spontaneous-scalarization window with binary pulsars

61 citations · 303 across the 20 of their papers we have counts for

collaborators

20 papers

gr-qc2026

Massive scalar fields in eccentric regime: Detectability and constraints from LISA observations of extreme mass-ratio inspirals

Tieguang Zi, Shailesh Kumar, Jun-Kun Zhao +3

Extreme mass-ratio inspirals (EMRIs) are among the most promising sources for future space-based gravitational wave (GW) observatories and provide sensitive probes of additional fu…

astro-ph.HE2026

Improved proper motion and gravity tests with PSR J1913+1102

Xueli Miao, Paulo C. C. Freire, Norbert Wex +11

PSR J1913+1102 is a highly asymmetric double neutron star system and an excellent laboratory for testing scalar-tensor gravity theories, as well as a potential progenitor analogue…

astro-ph.IM2026

An agentic framework for gravitational-wave counterpart association in the multi-messenger era

Yiming Dong, Yacheng Kang, Junjie Zhao +3

With the detection of gravitational waves (GWs), multi-messenger astronomy has opened a new window for advancing our understanding of astrophysics, dense matter, gravitation, and c…

astro-ph.HE2025★ 5 cited

Probing intermediate-mass black hole binaries with the Lunar Gravitational-wave Antenna

Hanlin Song, Han Yan, Yacheng Kang +3

New concepts for observing the gravitational waves (GWs) using a detector on the Moon, such as the Lunar Gravitational-wave Antenna (LGWA), have gained increasing attention. By uti…

gr-qc2025★ 2 cited

A practical Bayesian method for gravitational-wave ringdown analysis with multiple modes

Yiming Dong, Ziming Wang, Hai-Tian Wang +2

Gravitational-wave (GW) ringdown signals from black holes (BHs) encode crucial information about the gravitational dynamics in the strong-field regime, which offers unique insights…

astro-ph.HE2024★ 5 cited

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…

astro-ph.HE2024

Constraints of the maximum mass of quark stars based on post-merger evolutions

Yurui Zhou, Chen Zhang, Junjie Zhao +3

We semi-analytically investigate the post-merger evolution of the binary quark star merger. The effective-one-body method is employed to estimate the energy and angular momentum di…

gr-qc2024

Accuracy of numerical relativity waveforms with respect to space-based gravitational wave detectors

Zun Wang, Junjie Zhao, Zhoujian Cao

As with the laser interferometer gravitational-wave observatory (LIGO), the matched filtering technique will be critical to the data analysis of gravitational wave detection by spa…

astro-ph.HE2023

Including higher harmonics in gravitational-wave parameter estimation and cosmological implications for LISA

Yi Gong, Zhoujian Cao, Junjie Zhao +1

Massive black holes (MBHs) are crucial in shaping their host galaxies. How the MBH co-evolves with its host galaxy is a pressing problem in astrophysics and cosmology. The valuable…

astro-ph.IM2023★ 14 cited

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…

gr-qc2022★ 13 cited

Simultaneous bounds on the gravitational dipole radiation and varying gravitational constant from compact binary inspirals

Ziming Wang, Junjie Zhao, Zihe An +2

Compact binaries are an important class of gravitational-wave (GW) sources that can be detected by current and future GW observatories. They provide a testbed for general relativit…

gr-qc2022★ 12 cited

Extending the Fisher Information Matrix in Gravitational-wave Data Analysis

Ziming Wang, Chang Liu, Junjie Zhao +1

The Fisher information matrix (FM) plays an important role in forecasts and inferences in many areas of physics. While giving fast parameter estimation with the Gaussian likelihood…

astro-ph.HE2022★ 61 cited

Closing a spontaneous-scalarization window with binary pulsars

Junjie Zhao, Paulo C. C. Freire, Michael Kramer +2

Benefitting from the unequaled precision of the pulsar timing technique, binary pulsars are important testbeds of gravity theories, providing some of the tightest bounds on alterna…

gr-qc2021★ 21 cited

Probing dipole radiation from binary neutron stars with ground-based laser-interferometer and atom-interferometer gravitational-wave observatories

Junjie Zhao, Lijing Shao, Yong Gao +3

Atom-interferometer gravitational-wave (GW) observatory, as a new design of ground-based GW detector for the near future, is sensitive at a relatively low frequency for GW observat…

gr-qc2021★ 18 cited

Extended reduced-order surrogate models for scalar-tensor gravity in the strong field and applications to binary pulsars and gravitational waves

Minghao Guo, Junjie Zhao, Lijing Shao

Statistically sound tests of scalar-tensor gravity theories in the strong-field regime usually involves computationally intensive calculations. In this study, we construct a reduce…

astro-ph.HE2020★ 38 cited

Improved deep learning techniques in gravitational-wave data analysis

Heming Xia, Lijing Shao, Junjie Zhao +1

In recent years, convolutional neural network (CNN) and other deep learning models have been gradually introduced into the area of gravitational-wave (GW) data processing. Compared…

gr-qc2020★ 9 cited

Tests of conservation laws in post-Newtonian gravity with binary pulsars

Xueli Miao, Junjie Zhao, Lijing Shao +3

General relativity is a fully conservative theory, but there exist other possible metric theories of gravity. We consider non-conservative ones with a parameterized post-Newtonian…

astro-ph.HE2020★ 56 cited

Multiband Observation of LIGO/Virgo Binary Black Hole Mergers in the Gravitational-wave Transient Catalog GWTC-1

Chang Liu, Lijing Shao, Junjie Zhao +1

The Advanced LIGO and Virgo detectors opened a new era to study black holes (BHs) in our Universe. A population of stellar-mass binary BHs (BBHs) are discovered to be heavier than…

gr-qc2019★ 15 cited

Neutron Star Structure in the Minimal Gravitational Standard-Model Extension and the Implication to Continuous Gravitational Waves

Rui Xu, Junjie Zhao, Lijing Shao

Tiny violation of Lorentz invariance has been the subject of theoretic study and experimental test for a long time. We use the Standard-Model Extension (SME) framework to investiga…

gr-qc2019★ 34 cited

Reduced-order surrogate models for scalar-tensor gravity in the strong field and applications to binary pulsars and GW170817

Junjie Zhao, Lijing Shao, Zhoujian Cao +1

We investigate the scalar-tensor gravity of Damour and Esposito-Farèse (DEF), which predicts non-trivial phenomena in the nonperturbative strong-field regime for neutron stars (NSs…