Bounds on photon spheres and shadows of charged black holes in Einstein-Gauss-Bonnet-Maxwell gravity
Liang MaCenter for Joint Quantum Studies and Department of Physics, School of Science, Tianjin University, Tianjin 300350, ChinaH. LüCenter for Joint Quantum Studies and Department of Physics, School of Science, Tianjin University, Tianjin 300350, China
2020en
ABI
Аннотация
We consider spherically symmetric and static charged black holes in Einstein-Gauss-Bonnet-Maxwell gravities in general D≥5 dimensions and study their photon spheres and black hole shadows. We show that they all satisfy the sequence of inequalities recently proposed relating a black hole's horizon, photon sphere, shadow and its mass.
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