3 papers
gr-qc2026
Cracking Gravitational Wave Multiple Ringdown Modes in Space
Ziming Wang, Han Wang, Yuxin Yang +4
Ringdown signals from perturbed black holes (BHs) offer a clean window into BH spacetime, strong-field gravity, and fundamental physics. Presently the quasi-normal modes of stellar…
physics.geo-ph2026
Detection of Earth's free oscillations utilizing TianQin
Yuxin Yang, Kun Liu, Xuefeng Zhang +1
The measurement of Earth's free oscillations plays an important role in studying the Earth's large-scale structure. Space technology development presents a potential method to obse…
gr-qc2025
Contribution from Nonlinear Quasi-normal Modes in GW250114
Yuxin Yang, Changfu Shi, Yi-Ming Hu
We report evidence for nonlinear gravitational effects in the ringdown signal of gravitational wave event GW250114. Using Bayesian inference, we find that the inclusion of a nonlin…