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gr-qc2020★ 5 cited
Shadow of a disformal Kerr black hole in quadratic DHOST theories
Fen Long, Songbai Chen, Mingzhi Wang +1
We have studied the shadow of a disformal Kerr black hole with an extra deformation parameter, which belongs to non-stealth rotating solutions in quadratic Degenerate Higher Order…
gr-qc2020★ 53 cited
Polarization effects in Kerr black hole shadow due to the coupling between photon and bumblebee field
Songbai Chen, Mingzhi Wang, Jiliang Jing
We present firstly the equation of motion for the photon coupled to a special bumblebee vector field in a Kerr black hole spacetime and find that the propagation of light depends o…