2 papers
astro-ph.CO2021
Gravitational wave cosmology I: high frequency approximation
Jared Fier, Xiongjun Fang, Bowen Li +3
In this paper, we systematically study gravitational waves (GWs) produced by remote compact astrophysical sources. To describe such GWs properly, we introduce three scales, $λ, \;…
gr-qc2018
Singularities of plane gravitational waves and their memory effects
Tongzheng Wang, Jared Fier, Bowen Li +4
Similar to the Schwarzschild coordinates for spherical black holes, the Baldwin, Jeffery and Rosen (BJR) coordinates for plane gravitational waves are often singular, and extension…