65 citations · 281 across the 18 of their papers we have counts for
18 papers
Gravitational waveforms from periodic orbits around a novel regular black hole
Huajie Gong, Sheng Long, Xi-Jing Wang +3
We explore potential quantum gravity signatures by studying periodic orbits and their GW emissions around a novel regular black hole (BH) featuring a Minkowski core. Using a ration…
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…
Effects of hair on the image of a rotating black hole illuminated by a thin accretion disk
Yuan Meng, Xi-Jing Wang, Yong-Zhuang Li +1
In this paper, we investigate the shadow and optical appearance of the hairy Kerr black hole illuminated by a thin accretion disk, the materials of which outside the innermost stab…
Observational appearances of an inner extremal regular black hole illuminated by various accretion flows
Dan Zhang, Guoyang Fu, Xi-Jing Wang +3
This paper investigates the observational appearances of an inner extremal regular black hole(IERBH) illuminated by various types of accretion models. The study reveals that when t…
Distinguishing black holes with and without spontaneous scalarization in Einstein-scalar-Gauss-Bonnet theories via optical features
Xi-Jing Wang, Yuan Meng, Xiao-Mei Kuang +1
Spontaneous scalarization in Einstein-scalar-Gauss-Bonnet theory admits both vacuum-general relativity (GR) and scalarized hairy black holes as valid solutions, which provides a di…
Using the shadow of a black hole to examine the energy exchange between axion matter and a rotating black hole
Xiao-Mei Kuang, Yuan Meng, Eleftherios Papantonopoulos +1
We find that a \textit{slowly} rotating axion-modified black hole resulting from the backreaction of an axion field on a rotating Kerr black hole can have a \textit{D-shaped} shado…
Images of hairy Reissner-Nordström black hole illuminated by static accretions
Yuan Meng, Xiao-Mei Kuang, Xi-Jing Wang +2
We investigate the shadow and optical appearance of the hairy Reissner-Nordström (RN) black hole illuminated by two toy models of static accretion. The hairy RN black hole was cons…
Black holes with scalar hair: Extending from and beyond the Schwarzschild solution
Xi-Jing Wang, Guoyang Fu, Peng Liu +3
We construct novel scalarized black hole (BH) solutions beyond the general relativity (GR) framework. These scalarized BH solutions are extended from the Schwarzschild one and the…
Images from disk and spherical accretions of hairy Schwarzschild black holes
Yuan Meng, Xiao-Mei Kuang, Xi-Jing Wang +2
A hairy Schwarzschild black hole describes the deformation of Schwarzschild black hole due to including additional sources. It is found that depending on the hairy parameters, the…
Shadow revisiting and weak gravitational lensing with Chern-Simons modification
Yuan Meng, Xiao-Mei Kuang, Xi-Jing Wang +1
Dynamical Chern-Simons (dCS) gravity has been attracting plenty of attentions due to the fact that it is a parity-violating modified theory of gravity that corresponds to a well-po…
Rings and images of Horndeski hairy black hole illuminated by various thin accretions
Xi-Jing Wang, Xiao-Mei Kuang, Yuan Meng +2
We analyze the light rays around a static hairy black hole in Horndeski gravity with the use of ray-tracing procedure. We find that a stronger Horndeski hairy parameter corresponds…
Holographic superfluid with gauge-axion coupling
Yan Liu, Xi-Jing Wang, Jian-Pin Wu +1
We have constructed a holographic superfluid with gauge-axion coupling. Depending on whether the coupling is positive or negative, the system displays metallic or insulating behavi…
Transport properties in the Horndeski holographic two-currents model
Dan Zhang, Guoyang Fu, Xi-Jing Wang +2
The transport features of the holographic two-currents model are investigated in the Horndeski gravity framework. This system displays metallic or insulating characteristics depend…
Transport properties of a -dimensional holographic effective theory with gauge-axion coupling
Yi-Lin Li, Xi-Jing Wang, Guoyang Fu +1
In this paper, we implement a -dimensional holographic effective theory with gauge-axion coupling. The analytical black hole solution is worked out. We investigate the Direct cu…
A novel holographic quantum phase transition and butterfly velocity
Guoyang Fu, Xi-Jing Wang, Peng Liu +3
In this paper, we make a systematical and in-depth exploration on the phase structure and the behaviors of butterfly velocity in an Einstein-Maxwell-dilaton-axions (EMDA) model. De…
Alternating current conductivity and superconducting properties of the holographic effective theory
Yan Liu, Xi-Jing Wang, Jian-Pin Wu +1
We construct a holographic effective superconducting theory by considering a special gauge-axion higher derivative term. The gauge-axion coupling results in the transport behavior…
Holographic phonons by gauge-axion coupling
Xi-Jing Wang, Wei-Jia Li
In this paper, we show that a simple generalization of the holographic axion model can realize spontaneous breaking of translational symmetry by considering a special gauge-axion h…
AC charge transport in holographic Horndeski gravity
Xi-Jing Wang, Hai-Shan Liu, Wei-Jia Li
In this paper, we investigate the AC charge transport in the holographic Horndeski gravity and identify a metal-semiconductor like transition that is driven by the Horndeski coupli…