3 papers
gr-qc2025
Images from disk and spherical accretions of Bardeen black hole surrounded by perfect fluid dark matter
Hui Zeng, Yuan Meng
In this paper, we investigate the shadow and optical appearance of the Bardeen black hole surrounded by perfect fluid dark matter (PFDM) illuminated by various static accretions. F…
gr-qc2025
Exploring black holes with multiple photon spheres by interferometric signatures
Xi-Jing Wang, Yuan Meng, Xiao-Mei Kuang +1
In this paper, we investigate the interferometric signatures of hairy Schwarzschild black holes (hSBHs) that have either single or double photon spheres. Our interest mainly stems…
gr-qc2025
Effects of hair on the image of a rotating black hole illuminated by a thin accretion disk
Yuan Meng, Xi-Jing Wang, Yong-Zhuang Li +1
In this paper, we investigate the shadow and optical appearance of the hairy Kerr black hole illuminated by a thin accretion disk, the materials of which outside the innermost stab…