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gr-qc2025
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…
gr-qc2025
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…