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gr-qc2025★ 1 cited
Periodic Gravitational Lensing with Oscillating Boson Stars
Xing-Yu Yang, Tan Chen, Rong-Gen Cai
We show that oscillating (real-scalar) boson stars generically host an \emph{oscillating radial caustic}. Sources near this caustic cross it every half period, thereby producing pe…
gr-qc2024★ 6 cited
Quasinormal modes of gravitational perturbation for uniformly accelerated black holes
Tan Chen, Rong-Gen Cai, Bin Hu
We first show that the master equations for massless perturbations of accelerating rotating black holes can be transformed into the Heun's equation. The quasinormal modes of the bl…