39 citations · 222 across the 18 of their papers we have counts for
19 papers
Precessions and parameter constraints from quasiperiodic oscillations in a rotating charged black hole
R. H. Ali, Meng-He Wu, Hong Guo +1
We investigate quasi-periodic oscillations (QPOs) as a diagnostic tool for probing frame-dragging effects and accretion disk physics in the spacetime of a rotating regular magnetic…
Using precession and quasiperiodic oscillations to constrain a rotating regular black hole
Meng-He Wu, Hong Guo, Xiao-Mei Kuang
In this paper, we investigate the frame-dragging effect on an accretion disk and test gyroscope orbiting around a rotating regular black hole with a Minkowski core. Firstly, we per…
Parameter constraints on Horndeski rotating black hole through quasiperiodic oscillations
Meng-He Wu, Hong Guo, Xiao-Mei Kuang
In this paper, we perform small perturbations around the circular timelike orbit in the equatorial plane of the Horndeski rotating black hole, and analyze the effects of Horndeski…
Parameter constraints on a black hole with Minkowski core through quasiperiodic oscillations
Mingyu Guo, Menghe Wu, Xiaomei Kuang +1
We investigate the geodesic motion of charged particles in the vicinity of regular black holes with a Minkowski core, embedded in a uniform magnetic field, and study the influences…
Strong gravitational lensing effects around rotating regular black holes
Mingyu Guo, Menghe Wu, Hong Guo +2
In this letter, we investigate the strong gravitational lensing effects around two classes of rotating regular black holes, which behave as non-singular Minkowski core at the cente…
The underlying black hole phase transitions in an Einstein-Maxwell-dilaton model with a holographic critical point
Hong Guo, Xiao-Mei Kuang, Wei-Liang Qian
The Einstein-Maxwell-dilaton model exhibits a first-order phase transition curve that terminates at a holographic critical endpoint, offering intriguing insights into the phase dia…
Massive Scalar Perturbations and Quasi-Resonance of Rotating Black Hole in Analog Gravity
Hang Liu, Hong Guo
It was reported that the optical field fluctuations in self-defocusing media can be described by sound waves propagating in a two-dimensional photon-fluid which is controlled by th…
Quasinormal Modes of Analog Rotating Black Holes in 2-Dimensional Photon-Fluid Model
Hang Liu, Hong Guo, Ru Ling
It was recently found that the optical field fluctuations in self-defocusing media can be described by sound waves propagating in a two-dimensional photon-fluid. This photon-fluid…
Phase structure of holographic superconductors in an Einstein-scalar-Gauss-Bonnet theory with spontaneous scalarization
Hong Guo, Wei-Liang Qian, Bean Wang
Holographic superconductor phase transition and spontaneous scalarization are triggered by the instability of the underlying vacuum black hole spacetime. Although both hairy black…
Precession and Lense-Thirring effect of hairy Kerr spacetimes
Meng-He Wu, Hong Guo, Xiao-Mei Kuang
We investigate the frame-dragging effect of the hairy Kerr spacetimes on the spin of a test gyro and accretion disk. Firstly, we analyze Lense-Thirring (LT) precession frequency, g…
Detecting the secondary spin with extreme mass ratio inspirals in Scalar-Tensor theory
Hong Guo, Chao Zhang, Yunqi Liu +3
In this paper, we investigate the detectability of secondary spin in the extreme mass ratio inspirals system within a modified gravity model coupled with a scalar field. The centra…
Detecting vector charge with extreme mass ratio inspirals onto Kerr black holes
Chao Zhang, Hong Guo, Yungui Gong +1
Extreme mass ratio inspirals (EMRIs) are excellent sources for space-based observatories to explore the properties of black holes and test no-hair theorems. We consider EMRIs with…
Detection of scalar fields by Extreme Mass Ratio Inspirals with a Kerr black hole
Hong Guo, Yunqi Liu, Chao Zhang +3
We study extreme mass ratio inspirals occurring in modified gravity, for which the system is modeled by a small compact object with scalar charge spiraling into a supermassive Kerr…
Shadow and near-horizon characteristics of the acoustic charged black hole in curved spacetime
Ru Ling, Hong Guo, Hang Liu +2
In this paper, we first analyze the horizon structure of the acoustic charged black hole in curved spacetime, and then study its acoustic shadow as well as the near-horizon charact…
Horizon curvature and spacetime structure influences on black hole scalarization
Hong Guo, Xiao-Mei Kuang, Eleftherios Papantonopoulos +1
Black hole spontaneous scalarization has been attracting more and more attention as it circumvents the well-known no-hair theorems. In this work, we study the scalarization in Eins…
Acoustic black hole in Schwarzschild spacetime: quasi-normal modes, analogous Hawking radiation and shadows
Hong Guo, Hang Liu, Xiao-Mei Kuang +1
Various properties of acoustic black holes constructed in Minkowski spacetime have been widely studied in the past decades. Recently the acoustic black holes in general spacetime w…
Spontaneous Holographic Scalarization of Black Holes in Einstein-Scalar-Gauss-Bonnet Theories
Hong Guo, Stella Kiorpelidi, Xiao-Mei Kuang +3
We holographically investigate the scalarization in the Einstein-Scalar-Gauss-Bonnet gravity with a negative cosmological constant. We find that instability exists for both Schwarz…
Strong Cosmic Censorship in Charged de Sitter spacetime with Scalar Field Non-minimally Coupled to Curvature
Hong Guo, Hang Liu, Xiao-Mei Kuang +1
We examine the stability and the strong cosmic censorship in the Reissner-Nordstrom-de Sitter (RN-dS) black hole by investigating the evolution of a scalar field non-minimally coup…
Holographic entanglement entropy and complexity in Stckelberg superconductor
Hong Guo, Xiao-Mei Kuang, Bin Wang
The holographic superconductors, as one of the most important application of gauge/gravity duality, promote the study of strongly coupled superconductors via classical general rela…