3 papers
gr-qc2026
Shadows and photon spheres of static black holes embedded in a Dehnen-(1,4,5/2)-type dark matter halo with a quintessential field
Hong-Er Gong, Junlin Qin, Yusen Wang +4
This paper investigates the appearance characteristics of static black holes embedded in Dehnen-(1,4,5/2)-type dark matter halos with a quintessential field, focusing on how the da…
gr-qc2025
Shadow and Optical Imaging in Einstein-Maxwell-Dilaton Black Hole
Junlin Qin, Hong-Er Gong, Yusen Wang +4
This paper investigates photon motion in black hole of Einstein-Maxwell-dilaton theory, exploring black hole shadows and observational characteristics under various accretion model…
gr-qc2025
The shadows and photon rings of two minimal deformations of Schwarzschild black holes
Hong-Er Gong, Junlin Qin, Yusen Wang +4
This paper primarily investigates the optical characteristics of two minimal Schwarzschild black hole deformations, the Kazakov-Solodukhin and Ghosh-Kumar black holes, under differ…