2 papers
gr-qc2025
Throat effects on strong gravitational lensing in Kerr-like wormholes
Tien Hsieh, Da-Shin Lee, Chi-Yong Lin
We study strong gravitational lensing by a specific one-parameter extension of Kerr spacetime, a Kerr-like wormhole, characterized by a single parameter specifying the throat's loc…
gr-qc2024
Inspiral and Plunging Orbits in Kerr-Newman Spacetimes
Yu-Chung Ko, Da-Shin Lee, Chi-Yong Lin
We present the analytical solutions for the trajectories of particles that spiral and plunge inward the event horizon along the timelike geodesics following general non-equatorial…