activity
20182026
most citedPSR J0030+0451, GW170817 and the nuclear data: joint constraints on equation of state and bulk properties of neutron stars

89 citations · 1k across the 60 of their papers we have counts for

collaborators

60 papers

astro-ph.HE2026

Updated estimates of post-merger gravitational wave energy released in GW170817 and the maximum neutron star mass

Yong Chen, Bo Gao, Yong-Jia Huang +2

In this work, benefiting from the increased sample of neutron stars with measured masses and radii as well as the incorporation of the chiral effective field theory and perturbativ…

astro-ph.HE2026

Population-Level Verification of the Black-Hole Area Law with First- and Second-Generation Black Holes

Shao-Peng Tang, Yin-Jie Li, Yi-Zhong Fan

Hawking's area theorem states that the total event-horizon area of classical black holes can never decrease. Gravitational-wave tests of this law have so far focused on individual…

gr-qc2026

Bekenstein--Hod Bound: A Confirmation from GW250114

Hai-Tian Wang, Shao-Peng Tang, Yi-Zhong Fan

Black holes link gravity, thermodynamics and information via limits on the relaxation rate of a perturbed system. The Bekenstein-Hod bound imposes a minimum relaxation time at fixe…

astro-ph.HE2026

Smoking-gun evidence for hierarchical black-hole mergers

Yin-Jie Li, Yuan-Zhu Wang, Shao-Peng Tang +1

How stellar-mass black holes grow after their birth is a central open question in astrophysics. Gravitational-wave observations have revealed a subpopulation of coalescing black ho…

astro-ph.HE2026

Neutron Star Observations Challenge a Large Colour-Superconducting Gap in Dense Quark Matter

Shao-Peng Tang, Yong-Jia Huang, Yi-Zhong Fan

At asymptotically high density, quantum chromodynamics (QCD) predicts that quark matter becomes a colour superconductor in the colour-flavour-locked (CFL) phase, yet, away from the…

astro-ph.HE2026

The Non-parametric Equation of State Realizes a Generalized Quark-Hadron Crossover

Yong-Jia Huang, Shao-Peng Tang, Yi-Zhong Fan

We propose a non-parametric approach to construct the statistical equation of state (EOS) continuously from the nuclear crust to the asymptotic-freedom regime. The combined require…

astro-ph.CO2026

Secondary-Mass Features improve Spectral-Siren Constraints

Yin-Jie Li, Yi-Ying Wang, Yuan-Zhu Wang +2

Gravitational-wave (GW) signals from compact binary coalescences (CBCs) enable independent measurements of the Hubble constant \(H_0\) via the spectral siren method, which critical…

astro-ph.HE2026

Neutron Star Merger Rates from Multi-messenger Observations: Clues to the Physical Origin of the Short and Long-short Gamma-ray Bursts

Zhi-Ping Jin, Yuan-Zhu Wang, Yin-Jie Li +4

Short and long-short gamma-ray bursts (GRBs) are widely believed to be powered by neutron star mergers. In this work, we calculate local rate of such GRBs and find a relatively hig…

gr-qc2025★ 4 cited

Verification of the Black Hole Area Law with GW230814

Shao-Peng Tang, Hai-Tian Wang, Yin-Jie Li +1

We present an observational confirmation of Hawking's black-hole area theorem using the newly released gravitational-wave data from the GWTC-4.0. We analyze the high signal-to-nois…

astro-ph.HE2025★ 4 cited

A new group of low-spin Black Holes and the high pair-instability mass cutoff

Yuan-Zhu Wang, Yin-Jie Li, Shi-Jie Gao +2

Pair-instability supernovae (PISN) will not leave compact remnants and hence yield a mass gap of the black holes. Though a transition point at , separating low-…

gr-qc2025

Detection of a Higher Harmonic Quasi-normal Mode in the Ringdown Signal of GW231123

Hai-Tian Wang, Shao-Peng Tang, Peng-Cheng Li +1

The ringdown phase of a gravitational wave signal from a binary black hole merger offers a unique laboratory for testing general relativity in the strong-field regime and probing t…

astro-ph.HE2025★ 5 cited

Aligned Hierarchical Black Hole Mergers in Active-Galactic-Nuclei Disks Revealed by GWTC-4

Yin-Jie Li, Yuan-Zhu Wang, Shao-Peng Tang +1

The active galactic nucleus (AGN) accretion disks are ideal sites for hierarchical black hole (BH) mergers. To robustly probe such a possibility, we analyze binary black hole merge…

astro-ph.CO2025★ 6 cited

Lensing amplitude anomaly and varying electron mass alleviate the Hubble and tensions

Yi-Ying Wang, Lei Lei, Shao-Peng Tang +1

Cosmological measurements have revealed tensions within the standard CDM model, notably discrepancies in the Hubble constant and parameter. A modified recombination scenar…

astro-ph.HE2025

GW231123: Likely a product of successive mergers from stellar-mass black holes

Yin-Jie Li, Shao-Peng Tang, Ling-Qin Xue +1

GW231123 is an exceptionally massive binary black hole (BBH) merger with unusually high component spins. Such extreme properties challenge conventional stellar evolution models pre…

astro-ph.HE2025★ 9 cited

Phase transition and nuclear symmetry energy from neutron star observations: Constraints in light of PSR J0614--3329

Shao-Peng Tang, Yong-Jia Huang, Yi-Zhong Fan

The possible occurrence of a first-order hadron-quark phase transition (FOPT) in neutron-star interiors remains an open question. Whether such a transition can be directly tested w…

astro-ph.HE2025

The maximum mass and rotational kinetic energy of rapidly rotating neutron stars

Shao-Peng Tang, Yong-Jia Huang, Yi-Zhong Fan

Rapid uniformly-rotating neutron stars are expected to be formed for instance in the collapse of some massive stars, the accretion of compact object binaries, and double neutron st…

astro-ph.HE2025★ 12 cited

Revealing the - Correlation among Coalescing Binary Black Holes and Tentative Evidence for AGN-driven Hierarchical Mergers

Yin-Jie Li, Yuan-Zhu Wang, Shao-Peng Tang +2

The origin of the correlation between the effective spins () and mass ratios () of LIGO-Virgo-KAGRA's binary black holes (BBHs) is still an open question. Motivated…

astro-ph.CO2024★ 9 cited

Multi-spectral Sirens: Gravitational-wave Cosmology with (Multi-) Sub-populations of Binary Black Holes

Yin-Jie Li, Shao-Peng Tang, Yuan-Zhu Wang +1

The cosmic expansion rate can be directly measured with gravitational-wave (GW) data of the compact binary mergers by jointly constraining the mass function of the population and t…

gr-qc2024

Constraints on Einstein-dilation-Gauss-Bonnet gravity and electric charge of compact binary systems from GW230529

Bo Gao, Shao-Peng Tang, Hai-Tian Wang +2

In this work, we study the implications of GW230529 on gravity theories and the charge of black holes. The GW230529, which was initially released in O4a, is most likely neutron sta…

astro-ph.CO2024

Digging into the ultraviolet luminosity functions of galaxies at high redshifts: galaxies evolution, reionization, and cosmological parameters

Yi-Ying Wang, Lei Lei, Shao-Peng Tang +2

Thanks to the successful performance of the James Webb Space Telescope, our understanding of the epoch of reionization of the Universe has been advanced. The ultraviolet luminosity…

astro-ph.HE2024

Bulk properties of PSR J0030+0451 inferred with the compactness measurement of NICER

Chuan-Ning Luo, Shao-Peng Tang, Ming-Zhe Han +3

In 2019, Neutron star Interior Composition ExploreR (NICER) mission released its findings on the mass and radius of the isolated neutron star (INS) PSR J0030+0451, revealing a mass…

astro-ph.HE2024★ 13 cited

Exploring field-evolution and dynamical-capture coalescing binary black holes in GWTC-3

Yin-Jie Li, Shao-Peng Tang, Shi-Jie Gao +2

We investigate formation channels for merging binary black holes (BBHs) in GWTC-3, with a dedicated semiparametric population model. The model first describes or excludes a high-sp…

astro-ph.HE2024★ 6 cited

Upper Limit of Sound Speed in Nuclear Matter: A Harmonious Interplay of Transport Calculation and Perturbative Quantum Chromodynamic Constraint

Shao-Peng Tang, Yong-Jia Huang, Ming-Zhe Han +1

Very recently, it has been shown that there is an upper bound on the squared sound speed of nuclear matter from the transport, which reads . In this work, w…

astro-ph.HE2024★ 5 cited

The Bulk Properties of Isolated Neutron Stars Inferred from the Gravitational Redshift Measurements

Chuan-Ning Luo, Shao-Peng Tang, Jing-Liang Jiang +2

The measurements of the bulk properties of most isolated neutron stars (INSs) are challenging tasks. Tang et al. (2020) have developed a new method, based on the equation of state…