36 citations · 95 across the 12 of their papers we have counts for
11 papers · 1 filter
Gravitational Lensing of Gravitational Waves: Towards a Higher-order Geometric-optics Approach
Zhao Li, Shaoqi Hou, Wen Zhao
In this work, we study the gravitational lensing of gravitational waves (GWs) by extending the geometric-optics approximation to higher order. With the help of the Newman-Penrose f…
Gravitational Lensing of Gravitational Waves: Spin-wave Optics through Black Hole Scattering
Zhao Li, Shaoqi Hou, Wen Zhao
Gravitational-wave (GW) scattering in strong gravitational fields is a central problem in GW lensing. Yet, conventional treatments based on asymptotic expansions suffer from diverg…
Rigorous calculation of scalar scattering in Schwarzschild background: the convergence of partial-wave series and Poisson spot
Zhao Li, Wen Zhao
Black hole (BH) perturbation theory and the scattering models provide a powerful framework for studying gravitational lensing at the wave-optics level. However, conventional calcul…
Dynamics and gravitational radiation of binaries with spin precession and eccentricity in dynamical Chern-Simons gravity
Zhao Li, Wen Zhao
Testing parity symmetry constitutes a critical aspect in gravitational physics. As a representative parity-violating theory, dynamical Chern-Simons (dCS) gravity has attracted sign…
A complete waveform comparison of post-Newtonian and numerical relativity in eccentric orbits
Hao Wang, Yuan-Chuan Zou, Qing-Wen Wu +2
This study presents a thorough comparative analysis between post-Newtonian (PN) and numerically relativistic (NR) waveforms in eccentric orbits, covering nonspinning and spin-align…
Schwarzschild Lensing From Geodesic Deviation
Zhao Li, Xiao Guo, Tan Liu +2
We revisit the gravitational lensing of light or gravitational waves by Schwarzschild black hole in geometric optics. Instead of a single massless particle, we investigate the coll…
Forecast Analysis of Astrophysical Stochastic Gravitational Wave Background beyond general relativity: A Case Study on Brans-Dicke Gravity
Ran Chen, Zhao Li, Yin-Jie Li +4
Scalar-tensor gravity, exemplified by Brans-Dicke (BD) gravity, introduces additional scalar polarization modes that contribute scalar radiation alongside tensor modes. We conduct…
Gravitational Radiation from Eccentric Binary Black Hole System in Dynamical Chern-Simons Gravity
Zhao Li, Jin Qiao, Tan Liu +4
Dynamical Chern-Simons (DCS) gravity, a typical parity-violating gravitational theory, modifies both the generation and propagation of gravitational waves from general relativity (…
Constraints on the ghost-free parity-violating gravity from Laser-ranged Satellites
Jin Qiao, Zhao Li, Ran Ji +4
This paper explores the evolutionary behavior of the Earth-satellite binary system within the framework of the ghost-free parity-violating gravity and the corresponding discussion…
Testing parity symmetry of gravity with gravitational waves
Jin Qiao, Zhao Li, Tao Zhu +3
The examination of parity symmetry in gravitational interactions has drawn increasing attention. Although Einstein's General Relativity is parity-conserved, numerous theories of pa…
Gravitational Faraday rotation of gravitational waves by a Kerr black hole
Zhao Li, Jin Qiao, Wen Zhao +1
Gravitational Faraday Rotation (GFR) is a frame-dragging effect induced by rotating massive objects, which is one of the important, yet studied characteristics of lensed gravitatio…