4 citations · 5 across the 14 of their papers we have counts for
19 papers
Testing charged bumblebee black holes through high-frequency quasi-periodic oscillations in X-ray binaries
Qi-Qi Liang, De-Jiang Yin, Zi-Qiang Cai +1
We investigate strong-field orbital dynamics for static spherically symmetric charged bumblebee black holes featuring spontaneous Lorentz-violating effects. Analysis of null and ti…
Radiative properties and optical appearance of a thin accretion disk around a charged-PFDM black hole
Taiyang Zhang, Zongyuan Qin, Qian Feng +1
Accretion onto magnetically charged black holes in a perfect fluid dark matter (PFDM) background opens a new window for testing strong-field gravity. This paper investigates the ra…
Thermodynamic topological classification of magnetically charged slowly rotating Kerr black holes in nonlinear electrodynamics with a cosmological constant
Peng Zhao, Yu-Die Wan, Zheng-Wen Long
We provide an explicit rotating black-hole realization of the predicted \(\overline{W}^{1-}\) thermodynamic topological subclass by studying a slowly rotating, magnetically charged…
Quasinormal Modes, Partial Transmission Probabilities, and Hod's Conjecture of Charged Black Holes in Perfect Fluid Dark Matter within Kalb-Ramond Gravity
Zongyuan Qin, Zheng-Wen Long
Within the Kalb-Ramond field-induced Lorentz-violating gravity, we investigate the perturbation dynamics and quasinormal mode (QNM) spectra of a charged black hole immersed in perf…
Gravito-Electromagnetic perturbation of higher derivative corrected Kerr-Newman black hole
Yuanyuan Ji, Zheng-Wen Long
We study linear gravito-electromagnetic perturbations of a slowly rotating 4-derivative corrected Kerr-Newman (KN) black hole (BH), using a perturbative approach beyond the KN geom…
Multiscale probing of a Hernquist-type environmental black hole spacetime with the Sgr A* shadow and S2 orbital dynamics
Lai Zhao, Meirong Tang, Zheng-Wen Long +1
The supermassive black hole Sgr A* at the Galactic center provides a unique opportunity to probe the distribution of environmental matter around black holes. In this work, we adopt…
Novel topological subclass in Bardeen-AdS-class black holes
Yu-Die Wan, Peng Zhao, Zheng-Wen Long
Based on the -mapping topological current theory, we systematically investigate the thermodynamic topology of regular Bardeen-AdS-class black holes coupled to nonlinear electrod…
Universal Thermodynamic Topological Classes of BTZ Black Holes in Einstein and F(R) Gravity
Yu-Die Wan, Peng Zhao, Meng-Yao Zhang +1
In this paper, we systematically study three classes of three-dimensional Bañados-Teitelboim-Zanelli (BTZ) black holes based on different gravitational frameworks and matter field…
Periodic orbits and gravitational waveforms around a Schwarzschild black hole with a cloud of strings embedded in perfect fluid dark matter
Ziqiang Cai, Zhi Li, Zhenglong Ban +2
In this study, we explore the dynamics of particle orbits and their corresponding gravitational wave signatures in the vicinity of a Schwarzschild black hole (BH) surrounded by a c…
Optical Appearance and Ringdown of Black Holes in a Kalb Ramond Field Coupled to Perfect Fluid Dark Matter
Qi-Qi Liang, Zi-Qiang Cai, Dong Liu +1
This paper investigates the optical and dynamical properties of a static spherically symmetric black hole in the presence of a Kalb--Ramond (KR) field coupled to perfect fluid dark…
Connection Between the Shadow Radius and Quasinormal Frequencies for Black Holes in STVG with Perfect Fluid Dark Matter
Ziqiang Cai, Zhi Li, Zhenglong Ban +2
We investigate the connection between black hole shadow and quasinormal mode (QNM) spectra in the context of scalar-tensor-vector gravity (STVG) coupled to perfect fluid dark matte…
Echoes of a hairy black hole from gravitational decoupling
Yi Yang, Ali Ovgun, Gaetano Lambiase +2
We study axial gravitational perturbations of a hairy black hole constructed within the framework of gravitational decoupling and investigate the geometric origin of echo-like late…
Detecting Black hole surrounded by perfect fluid dark matter in Kalb-Ramond fields using quasinormal modes
Zongyuan Qin, Taiyang Zhang, Qian Feng +1
This paper investigates the characteristics of quasinormal modes (QNMs) of static, spherically symmetric black holes under the combined influence of spontaneous Lorentz symmetry br…
Dynamics of thin accretion disks and accretion around a charged-PFDM black hole
Taiyang Zhang, Zhongyuan Qin, Qian Feng +1
This paper investigates the dynamical behavior of steady spherical accretion onto a static, magnetically charged black hole embedded in a perfect fluid dark matter (PFDM) backgroun…
Observational properties and quasinormal Modes of the Hayward black Hole surrounded by a cloud of strings
Qi-Qi Liang, Ziqiang Cai, Dong Liu +1
In this work, we explored the Hayward black hole surrounded by a cloud of strings, with a focus on the effects of the regularization parameter and the string cloud parameter $a…
Rotating Charged Black Holes with Scalar Hair Constructed via the Newman-Janis Algorithm: Accretion Disk Structure and Shadow Characteristics
Ziqiang Cai, Zhenglong Ban, Qi-Qi Liang +2
In this paper, we generate a rotating charged black hole (BH) with scalar hair via the Newman--Janis algorithm (NJA) and study its thin accretion disk and shadow. The structure of…
Shadow and thin accretion disk around Ayón-Beato-García black hole coupled with cloud of strings
Ziqiang Cai, Zhenglong Ban, Lu Wang +2
In this paper, we investigate the shadow and thin accretion disk around Ayón-Beato-García (ABG) black hole (BH) coupled with a cloud of strings (CS), characterized by the nonlinear…
Thin accretion disk around Schwarzschild-like black hole in bumblebee gravity
Ziqiang Cai, Zhenglong Ban, Lu Wang +2
The physical properties and optical appearance of a thin accretion disk surrounding a Schwarzschild-like black hole (BH) are investigated within the framework of bumblebee gravity.…
Black holes surrounded by dark matter spike: Spacetime metrics and gravitational wave ringdown waveforms
Dong Liu, Yi Yang, Zheng-wen Long
The supermassive black holes at the centers of galaxies may be surrounded by dark matter spike, which could leave detectable imprints on the gravitational wave signals they emit. I…