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gr-qc2025
Nonseparability of multipartite systems in dilaton black hole
Shu-Min Wu, Xiao-Wei Teng, Wen-Mei Li +2
We investigate the nonseparability of N-partite quantum systems by employing the Abe-Rajagopal (AR) -conditional entropy for both free bosonic and fermionic fields in the backgr…
gr-qc2025
Particle dynamics and optical appearance of charged spherically symmetric black holes in bumblebee gravity
Mou Xu, Jianbo Lu, Ruonan Li +2
In this paper, we study the particle dynamics, shadow, and optical appearance of charged black holes (BHs) in bumblebee gravity. Firstly, we find that the Lorentz-violation paramet…
gr-qc2025
Optical Appearance and Shadow of Kalb-Ramond Black Hole: Effects of Plasma and Accretion Models
Mou Xu, Ruonan Li, Jianbo Lu +2
In this paper, we study the effect of the presence of plasma and different accretion models on the shadow and optical appearance of static spherically symmetric black holes contain…