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
Showing astro-ph.COShow all

8 papers · 1 filter

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…

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.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…