49 citations · 189 across the 8 of their papers we have counts for
8 papers
Quasinormal modes of scalar and Maxwell field perturbations coupled to the Einstein tensor in generalized Nariai spacetimes
Xin Qin, Xiongying Qiao, Qiyuan Pan +3
We investigate the quasinormal modes of scalar and Maxwell field perturbations coupled to the Einstein tensor in generalized Nariai spacetimes. Our results show that, for both type…
The images of Brans-Dicke-Kerr type naked singularities
Fen Long, Weike Deng, Xin Qin +2
We have studied the images of the Brans-Dicke-Kerr spacetime with a dimensionless Brans-Dicke parameter , which belongs to axisymmetric rotating solutions in the Brans-Dicke the…
The influence of cosmological constant on light deflection in rotating spacetimes via the generalized Gibbons-Werner method
Yang Huang, Xiangyun Fu, Zhenyan Lu +1
Recently, we proposed a generalized Gibbons-Werner (GW) method for analyzing particle trajectories in rotating spacetimes, regardless of their asymptotic behavior [Huang \textit{et…
Polarized image of a rotating black hole surrounded by a cold dark matter halo
Xin Qin, Songbai Chen, Zelin Zhang +1
We have studied the polarized image of an equatorial emitting ring around a rotating black hole surrounded by a cold dark matter (CDM) halo. Results show that the CDM halo density…
Polarized image of a rotating black hole in Scalar-Tensor-Vector-Gravity theory
Xin Qin, Songbai Chen, Zelin Zhang +1
The polarized images of a synchrotron emitting ring are studied in the spacetime of a rotating black hole in the Scalar-Tensor-Vector-Gravity (STVG) theory. The black hole owns an…
Polarized image of an equatorial emitting ring around a 4D Gauss-Bonnet black hole
Xin Qin, Songbai Chen, Jiliang Jing
We have studied the polarized image of an equatorial emitting ring around a 4D Gauss-Bonnet black hole. Our results show that the effects of Gauss-Bonnet parameter on the polarized…
Polarized image of a Schwarzschild black hole with a thin accretion disk as photon couples to Weyl tensor
Zelin Zhang, Songbai Chen, Xin Qin +1
We have studied polarized image of a Schwarzschild black hole with an equatorial thin accretion disk as photon couples to Weyl tensor. The birefringence of photon originating from…
Image of a regular phantom compact object and its luminosity under spherical accretions
Xin Qin, Songbai Chen, Jiliang Jing
We have studied the shadow and its luminosity for a static and regular phantom compact object under the static spherical accretion and the infalling spherical accretion, respective…