activity
20162026
most citedConstraints on primordial curvature power spectrum with pulsar timing arrays

67 citations · 467 across the 21 of their papers we have counts for

collaborators

22 papers

astro-ph.HE2026

A temporally clustered gravitational wave pair and a Type IIb supernova

Sheng Yang, Ting-Wan Chen, Weichangfeng Guo +22

Compact object mergers are generally expected long after the stellar collapse that forms their remnants. Here we report two marginal gravitational wave (GW) candidates, S190910d an…

astro-ph.HE2026

Constraining the Pulsar 3D Velocity Distribution: The Impact of Spin-Velocity Alignment

Zheng Li, Xiaojin Liu, Zhi-Qiang You +2

Quantifying the natal kick distribution of pulsars is essential for understanding supernova physics and binary evolution, yet measurements are historically limited by the lack of r…

astro-ph.HE2025

Hierarchical Test of Lorentz Invariance with Gamma-Ray Burst Spectral-Lag Measurements

Shen-Shi Du, Yi Gong, Jun-Jie Wei +4

Gamma-ray bursts (GRBs) are among the most potent probes of Lorentz invariance violation (LIV), offering direct constraints on the quantum gravity energy scale () based…

astro-ph.HE2025★ 2 cited

A Census of Pulsars in Possible Association with Galactic Open Clusters

Lu Zhou, Zhi-Qiang You, Lu Li +3

Among the known pulsars in our Galaxy, are found in globular clusters, but none has been confirmed in any open clusters yet, although they outnumber glo…

astro-ph.HE2025

Beyond the Simple Power Law: A Bayesian Analysis of 897 Pulsar Spectra

Qingzheng Gao, Xiao-Jin Liu, Zhi-Qiang You +2

We present a comprehensive re-evaluation of pulsar radio spectra using the largest curated dataset of calibrated flux densities to date, comprising 897 pulsars, and employing a rob…

astro-ph.HE2024★ 15 cited

The birth mass function of neutron stars

Zhi-Qiang You, Xingjiang Zhu, Xiaojin Liu +12

The birth mass function of neutron stars encodes rich information about supernova explosions, double star evolution, and properties of matter under extreme conditions. To date, it…

astro-ph.HE2024★ 10 cited

On the initial spin period distribution of neutron stars

Shen-Shi Du, Xiao-Jin Liu, Zu-Cheng Chen +3

We derive the initial spin period distribution of neutron stars by studying the population of young pulsars associated with supernova remnants. Our hierarchical Bayesian approach a…

astro-ph.HE2023★ 7 cited

On the spin period distribution of millisecond pulsars

Xiao-Jin Liu, Zhi-Qiang You, Zu-Cheng Chen +3

Spin period distribution provides important clues to understand the formation of millisecond pulsars (MSPs). To uncover the intrinsic period distribution, we analyze three samples…

astro-ph.IM2023★ 20 cited

Prospects for Taiji to detect a gravitational-wave background from cosmic strings

Zu-Cheng Chen, Qing-Guo Huang, Chang Liu +6

Recently, multiple pulsar timing array collaborations have presented compelling evidence for a stochastic signal at nanohertz frequencies, potentially originating from cosmic strin…

astro-ph.CO2023★ 41 cited

Exploring the NANOGrav Signal and Planet-mass Primordial Black Holes through Higgs Inflation

Zhu Yi, Zhi-Qiang You, You Wu +2

The data recently released by the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) provides compelling evidence supporting the existence of a stochastic sign…

astro-ph.CO2023★ 46 cited

Model-independent reconstruction of the primordial curvature power spectrum from PTA data

Zhu Yi, Zhi-Qiang You, You Wu

Recently released data from pulsar timing array (PTA) collaborations provide strong evidence for a stochastic signal consistent with a gravitational-wave background, potentially or…

astro-ph.CO2023★ 66 cited

Confronting sound speed resonance with pulsar timing arrays

Jia-Heng Jin, Zu-Cheng Chen, Zhu Yi +3

The stochastic signal detected by pulsar timing arrays (PTAs) has raised great interest in understanding its physical origin. Assuming the signal is a cosmological gravitational-wa…

gr-qc2023★ 67 cited

Constraints on primordial curvature power spectrum with pulsar timing arrays

Zhi-Qiang You, Zhu Yi, You Wu

The stochastic signal detected by NANOGrav, PPTA, EPTA, and CPTA can be explained by the scalar-induced gravitational waves. In order to determine the scalar-induced gravitational…

astro-ph.CO2023★ 7 cited

Constraints on peculiar velocity distribution of binary black holes using gravitational waves with GWTC-3

Zhi-Qiang You, Zu-Cheng Chen, Lang Liu +4

Peculiar velocity encodes rich information about the formation, dynamics, evolution, and merging history of binary black holes. In this work, we employ a hierarchical Bayesian mode…

astro-ph.CO2023★ 15 cited

Model-Independent Determination of and using Time-Delay Galaxy Lenses and Gamma-Ray Bursts

Shen-Shi Du, Jun-Jie Wei, Zhi-Qiang You +3

Combining the `time-delay distance' () measurements from galaxy lenses and other distance indicators provides model-independent determinations of the Hubble constant (…

astro-ph.CO2022★ 44 cited

Constraining the Merger History of Primordial-Black-Hole Binaries from GWTC-3

Lang Liu, Zhi-Qiang You, You Wu +1

Primordial black holes (PBHs) can be not only cold dark matter candidates but also progenitors of binary black holes observed by LIGO-Virgo-KAGRA (LVK) Collaboration. The PBH mass…

astro-ph.CO2022★ 3 cited

Impact of gravitational lensing on black hole mass function inference with third-generation gravitational wave detectors

Xianlong He, Kai Liao, Xuheng Ding +4

The recent rapid growth of the black hole (BH) catalog from gravitational waves (GWs), has allowed us to study the substructure of black hole mass function (BHMF) beyond the simple…

astro-ph.HE2022★ 6 cited

Observational evidence for a spin-up line in the P-Pdot diagram of millisecond pulsars

Xiao-Jin Liu, Zhi-Qiang You, Xing-Jiang Zhu

It is believed that millisecond pulsars attain their fast spins by accreting matter and angular momentum from companion stars. Theoretical modelling of the accretion process sugges…

astro-ph.GA2021★ 36 cited

Event rate predictions of strongly lensed gravitational waves with detector networks and more realistic templates

Lilan Yang, Shichao Wu, Kai Liao +5

Strong lensing of gravitational waves (GWs) is attracting growing attention of the community. The event rates of lensed GWs by galaxies were predicted in numerous papers, which use…

gr-qc2021★ 4 cited

Optimized localization for gravitational-waves from merging binaries

Zhi-Qiang You, Gregory Ashton, Xing-Jiang Zhu +2

The Advanced LIGO and Virgo gravitational wave observatories have opened a new window with which to study the inspiral and mergers of binary compact objects. These observations are…

astro-ph.CO2020★ 47 cited

Standard-siren cosmology using gravitational waves from binary black holes

Zhi-Qiang You, Xing-Jiang Zhu, Gregory Ashton +2

Gravitational-wave astronomy provides a unique new way to study the expansion history of the Universe. In this work, we investigate the impact future gravitational-wave observatori…

astro-ph.HE2016★ 31 cited

Black hole central engine for ultra-long gamma-ray burst 111209A and its associated supernova 2011kl

He Gao, Wei-Hua Lei, Zhi-Qiang You +1

Recently, the first association between an ultra-long gamma-ray burst (GRB) and a supernova is reported, i.e., GRB 111209A/SN 2011kl, which enables us to investigate the physics of…