99 citations · 429 across the 43 of their papers we have counts for
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Shadow of Schwarzschild Black Hole in the Cold Dark Matter Halo
Shi-Jie Ma, Tian-Chi Ma, Jian-Bo Deng +1
The Schwarzschild black hole in the Cold Dark Matter (CDM) halo is studied, and the radiation laws of the thin accretion disk near the black hole are discussed and summarized. The…
Double shadow of a 4D Einstein-Gauss-Bonnet black hole and their connection between with quasinormal modes
Tian-Tian Liu, He-Xu Zhang, Yu-Hang Feng +2
In this paper, we study the shadow of a 4D Einstein-Gauss-Bonnet black hole as photons couple to the Weyl tensor and find that the propagation of light depends on its polarization…
Bardeen black hole in magnetically charged four-dimensional Einstein-Gauss-Bonnet gravity
Shu-Jun Zhang, He-Xu Zhang, Lei Shao +2
In this paper, we investigate the shadow radius and quasinormal modes of a four-dimensional magnetically charged Einstein-Gauss-Bonnet Bardeen black hole and point out a simple con…
Shadow cast by a rotating and nonlinear magnetic-charged black hole in perfect fluid dark matter
Tian-Chi Ma, He-Xu Zhang, Peng-Zhang He +3
We derived an exact solution of the spherically symmetric Hayward black hole surrounded by perfect fluid dark matter (PFDM). By applying the Newman-Janis algorithm, we generalized…
Shadows of rotating Hayward-de Sitter black holes with astrometric observables
Peng-Zhang He, Qi-Qi Fan, Hao-Ran Zhang +1
Motivated by recent work on rotating black hole shadow [Phys. Rev. D101, 084029 (2020)], we investigate the shadow behaviors of rotating Hayward-de Sitter black hole for static obs…
Optical properties of a nonlinear magnetic charged rotating black hole surrounded by quintessence with a cosmological constant
Yuan Chen, He-Xu Zhang, Tian-Chi Ma +1
In this paper,we discuss optical properties of the nonlinear magnetic charged black hole surrounded by quintessence with a non-zero cosmological constant . Setting the state par…
The cosmological constant from space-time discreteness
Qi-Qi Fan, Cong Li, Hao-Ran Zhang +2
We regard the background of space-time as a physical system composed of discrete volume elements at the Planck scale and get the internal energy of space-time by Debye model. A tem…
Optical properties of a Brane-World black hole as photons couple to the Weyl tensor
He-Xu Zhang, Cong Li, Peng-Zhang He +2
In this article, we have investigated the equations of motion of the photons coupled to Weyl tensor by the geometric optics approximation and the corresponding shadow in a Brane-Wo…
Joule-Thomson expansion of the Bardeen-AdS black holes
Cong Li, Pengzhang He, Ping Li +1
The Joule-Thomson expansion process is studied for Bardeen-AdS black holes in the extended phase space. Firstly, we get Joule-Thomson coefficient and find that the divergent point…
The evolution of universe in the two-scalar theory
Jia-Cheng Ding, Ping Li, Cong Li +2
We generalize f(R,T) gravity into the two-scalar theory that includes two independent scalar fields by the variational method, and we derive its field equations in Einstein frame u…
Thermodynamics of charged AdS black holes in rainbow gravity
Ping Li, Miao He, Jia-Cheng Ding +2
In this paper, the thermodynamic property of charged AdS black holes is studied in rainbow gravity. By the Heisenberg Uncertainty Principle and the modified dispersion relation, we…
Apparent horizon and gravitational thermodynamics of Universe in the Eddington-Born-Infeld theory
Jia-Cheng Ding, Qi-Qi Fan, Cong Li +2
The thermodynamics of Universe in the Eddington-Born-Infeld (EBI) theory was restudied by utilizing the holographic-style gravitational equations that dominate the dynamics of the…
Conformal transformation route to gravity's rainbow
Miao He, Ping Li, Zi-Liang Wang +2
Conformal transformation as a mathematical tool has been used in many areas of gravitational physics. In this paper, we would consider the gravity's rainbow, in which the metric co…
Hawking radiation-quasinormal modes correspondence for large AdS black holes
Dao-Quan Sun, Zi-Liang Wang, Miao He +2
It is well-known that the non-strictly thermal character of the Hawking radiation spectrum generates a natural correspondence between Hawking radiation and black hole quasinormal m…
The generalization of charged AdS black hole specific volume and number density
Ziliang Wang, Miao He, Chao Fang +2
In this paper, by proposing a generalized , we restudy the criticality of charged AdS black holes in the extended phase space. The results show that most of…
Discussion of a possible corrected black hole entropy
Miao He, Zi-Liang Wang, Chao Fang +2
Einstein's equation could be interpreted as the first law of thermodynamic near the spherically symmetric horizon. Through recalling the Einstein gravity with a more general static…
A model of eternal accelerated expansion without particle horizon
Zi-Liang Wang, Jian-Bo Deng
In our previous paper \cite{8}, we proposed a cosmological model from the emergence of space, which possesses a significant character of evaluating the vacuum energy from the Hubbl…
A cosmological model from emergence of space
Zi-Liang Wang, Wen-Yuan Ai, Hua Chen +1
Many studies have been carried out since T.Padmanabhan proposed that the cosmic acceleration can be understood from the perspective that spacetime dynamics is an emergent phenomeno…
Quantum Cosmology via Quantization of Point-Like Lagrangian
Miao He, Zi-Liang Wang, Jian-Bo Deng +1
The purpose of this paper is to introduce a new way to inquire the quantum cosmology for a certain gravitational theory. Normally, the quantum cosmological model is introduced as t…
Mapping Hawking into Unruh for global embeddings
Wen-Yuan Ai, Hua Chen, Jian-Bo Deng
We study the mechanism of global embeddings into the Minkowski spacetime(GEMS) with the Hawking into Unruh mapping. We find a constraint that the extrinsic acceleration of the stat…
Generalized Holographic Equipartition for Friedmann-Robertson-Walker Universes
Wen-Yuan Ai, Hua Chen, Xian-Ru Hu +1
The novel idea that spatial expansion of our universe can be regarded as the consequence of the emergence of space was proposed by Padmanabhan. By using of the basic law governing…
Emergence of space and the general dynamic equation of Friedmann-Robertson-Walker universe
Wen-Yuan Ai, Xian-Ru Hu, Hua Chen +1
A novel idea that the cosmic acceleration can be understood from the perspective that spacetime dynamics is an emergent phenomena was proposed by T. Padmanabhan. The Friedmann equa…
The Klein-Gordon equation in Machian model
Bin Liu, Yun-Chuan Dai, Xian-Ru Hu +1
The non-local Machian model is regarded as an alternative theory of gravitation which states that all particles in the Universe as a 'gravitationally entangled' statistical ensembl…