71 citations · 148 across the 3 of their papers we have counts for
3 papers
gr-qc2023★ 7 cited
Optical appearance of the Schwarzschild black hole in the string cloud context
Sen Guo, Yu-Xiang Huang, Guo-Ping Li
The image of a black hole (BH) consists of direct and secondary images that depend on the observer position. We investigate the optical appearance of a Schwarzschild BH in the cont…
gr-qc2022★ 71 cited
QED and accretion flow models effect on optical appearance of Euler-Heisenberg black holes
Xiao-Xiong Zeng, Ke-Jian He, Guo-Ping Li +2
Taking the quantum electrodynamics (QED) effect into account, we investigate the geometrical-optics appearance of the Euler-Heisenberg (EH) black hole (BH) under the different accr…
astro-ph.HE2021★ 70 cited
Influence of Accretion Flow and Magnetic Charge on the Observed Shadows and Rings of the Hayward Black Hole
Sen Guo, Guan-Ru Li, En-Wei Liang
The feature of the observed shadows and rings of an astrophysical black hole (BH) may depend on its accretion flows and magnetic charge. We find that the shadow radii and critical…