27 citations · 112 across the 14 of their papers we have counts for
14 papers
Constraints on the Primordial Black Hole Abundance using Pulsar Parameter Drifts
Yan-Chen Bi, Yu-Mei Wu, Qing-Guo Huang
Primordial black holes (PBHs) provide a compelling interpretation for the binary black holes (BBHs) observed by ground-based gravitational-wave (GW) detectors, especially for those…
Harmonic Analysis on Correlation for Gravitational-Wave Backgrounds of Arbitrary Polarization from Interfering Sources in Generic Dispersion Relation
Yan-Chen Bi, Yu-Mei Wu, Qing-Guo Huang
The Hellings-Downs (HD) correlation serves as the fundamental benchmark for detecting the gravitational-wave background (GWB) in pulsar timing arrays (PTAs) within General Relativi…
Targeted search for an individual SMBHB in NANOGrav 15-year and EPTA DR2 data sets
Li-Wen Tian, Yan-Chen Bi, Yu-Mei Wu +1
While pulsar timing array (PTA) collaborations have reported evidence for a stochastic gravitational wave background (GWB), the detection of continuous gravitational waves (GWs) fr…
Spatial Correlation between Pulsars from Interfering Gravitational-Wave Sources in Massive Gravity
Yu-Mei Wu, Yan-Chen Bi, Qing-Guo Huang
In the nanohertz band, the spatial correlations in pulsar timing arrays (PTAs) produced by interfering gravitational waves (GWs) from multiple sources likely deviate from the tradi…
Probing Ultralight Axion-like Dark Matter: A Pulsar Timing Arrays-Pulsar Polarization Arrays Synergy
Ximeng Li, Yonghao Liu, Zu-Cheng Chen +9
Ultralight axionlike dark matter (ALDM) is a leading candidate in the dark matter realm, characterized by its prominent wave properties on astronomical scales. Pulsar timing arrays…
Constraining ultralight scalar dark matter couplings with the European Pulsar Timing Array second data release
Yu-Mei Wu, Qing-Guo Huang
Pulsar Timing Arrays (PTAs) offer an independent method for searching for ultralight dark matter (ULDM), whose wavelike nature induces periodic oscillations in the arrival times of…
The spatial correlations between pulsars for interfering sources in Pulsar Timing Array and evidence for gravitational-wave background in NANOGrav 15-year data set
Yu-Mei Wu, Yan-Chen Bi, Qing-Guo Huang
Pulsar timing arrays (PTAs), aimed at detecting gravitational waves (GWs) in the nHz range, have recently made significant strides. Compelling evidence has emerged for…
GW230529_181500: A Potential Primordial Binary Black Hole Merger in the Mass Gap
Qing-Guo Huang, Chen Yuan, Zu-Cheng Chen +1
During the fourth observing run of the LIGO-Virgo-KAGRA detector network, the LIGO Livingston observatory detected a coalescing compact binary, GW230529_181500, with component mass…
Primordial Black Hole Interpretation in Subsolar Mass Gravitational Wave Candidate SSM200308
Chen Yuan, Qing-Guo Huang
In the recent second part of the third observation run by the LIGO-Virgo-KAGRA collaboration, a candidate with sub-solar mass components was reported, which we labelled as SSM20030…
Constraints on the velocity of gravitational waves from NANOGrav 15-year data set
Yan-Chen Bi, Yu-Mei Wu, Zu-Cheng Chen +1
General relativity predicts that gravitational waves propagate at the speed of light. Although ground-based gravitational-wave detectors have successfully constrained the velocity…
Constraining the Graviton Mass with the NANOGrav 15-Year Data Set
Yu-Mei Wu, Zu-Cheng Chen, Yan-Chen Bi +1
The recently detected stochastic signal by several pulsar timing array collaborations, offers an opportunity to scrutinize the fundamental properties of gravity, including the pote…
Search for Non-Tensorial Gravitational-Wave Backgrounds in the NANOGrav 15-Year Data Set
Zu-Cheng Chen, Yu-Mei Wu, Yan-Chen Bi +1
The recent detection of a stochastic signal in the NANOGrav 15-year data set has aroused great interest in uncovering its origin. However, the evidence for the Hellings-Downs corre…
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…
Impacts of Gravitational-Wave Background from Supermassive Black Hole Binaries on the Detection of Compact Binaries by LISA
Fan Huang, Yan-Chen Bi, Zhoujian Cao +1
In the frequency band of Laser Interferometer Space Antenna (LISA), extensive research has been conducted on the impact of foreground confusion noise generated by galactic binaries…