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- Chinese Academy of SciencesCN105 papers
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88 papers · 1 filter
Strong field gravitational lensing of particles by a black-bounce-Schwarzschild black hole
Guansheng He, Jiaxu Huang, Zhongwen Feng +2
The gravitational lensing of relativistic and nonrelativistic neutral massive particles in the black-bounce-Schwarzschild black hole spacetime is investigated in the strong deflect…
Probing Observable Features of Lorentz violation in Low-Energy Hořava Gravity with Accretion Disk Images of Black Hole
Meng-Die Zhao, Yu-Yan Wang, Ke-Jian He +1
In this paper, we study the observable signatures of Lorentz violation (LV) in low-energy Horava gravity by simulating the images and polarization features of rotating LV black hol…
Fermionic Love number of Reissner-Nordström black holes
Xiankai Pang, Yu Tian, Hongbao Zhang +1
The tidal deformation of compact objects, characterised by their Love numbers, provides insights into the internal structure of neutron stars and black holes. While static bosonic…
A quantum information method for early universe with non-trivial sound speed
Shi-Cheng Liu, Lei-Hua Liu, Bichu Li +2
Many quantum gravitational frameworks, such as DBI inflation, k-essence, and effective field theories obtained by integrating out heavy modes, can lead to a non-trivial sound speed…
Universal thermodynamic topological classes of static black holes in Conformal Killing Gravity
Hao Chen, Di Wu, Meng-Yao Zhang +4
In this study, we develop universal thermodynamic topological classes for the static black holes in the context of the Conformal Killing Gravity. Our findings indicate that the Con…
Exploring black holes with multiple photon spheres by interferometric signatures
Xi-Jing Wang, Yuan Meng, Xiao-Mei Kuang +1
In this paper, we investigate the interferometric signatures of hairy Schwarzschild black holes (hSBHs) that have either single or double photon spheres. Our interest mainly stems…