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15 papers · 2 filters
Analytical models of supermassive black holes in galaxies surrounded by dark matter halos
Zibo Shen, Anzhong Wang, Yungui Gong +1
In this Letter, we present five analytical models in closed forms, each representing a supermassive black hole (SMBH) located at the center of a galaxy surrounded by dark matter (D…
Revisiting quantum black holes from effective loop quantum gravity
Geeth Ongole, Parampreet Singh, Anzhong Wang
We systematically study a family of loop quantizations for the classical Kruskal spacetimes using the effective description motivated from loop quantum gravity for four generic par…
Gravity-induced entanglement between two massive microscopic particles in curved spacetime: II.Friedmann- Lemaître-Robertson-Walker universe
Chi Zhang, Fu-Wen Shu
In our previous work, we have explored quantum gravity induced entanglement of mass (QGEM) in curved spacetime, observing entanglement formation between particles moving along geod…
Quantum geometric formulation of Brans-Dicke theory for Bianchi I spacetime
Manabendra Sharma, Gustavo S. Vicente, Leila L. Graef +2
This paper investigates Bianchi I spacetimes within the Jordan frame of Brans-Dicke theory, incorporating the framework of effective loop quantum gravity. After developing general…
Gravity-induced entanglement between two massive microscopic particles in curved spacetime: I.The Schwarzschild background
Chi Zhang, Fu-Wen Shu
The experiment involving the entanglement of two massive particles through gravitational fields has been devised to discern the quantum attributes of gravity. In this paper, we pre…
On the improved dynamics approach in loop quantum black holes
Hongchao Zhang, Wen-Cong Gan, Yungui Gong +1
In this paper, we consider the Böhmer-Vandersloot (BV) model of loop quantum black holes obtained from the improved dynamics approach. We adopt the Saini-Singh gauge, in which it w…