62 citations · 819 across the 37 of their papers we have counts for
41 papers
Axial Mode Stability and Quasinormal Modes of Charged Kiselev Black Holes in Rastall Gravity
Yan Wang, Yun-tao Gu, Wen-Di Guo
We investigate axial gravitoelectromagnetic perturbations of charged black holes surrounded by dust-like Kiselev-type anisotropic matter in Rastall gravity. We derive the axial mat…
Pseudospectrum of Braneworld Perturbations
Hai-Long Jia, Wen-Di Guo, Yun-Tao Gu +1
Pseudospectral analysis provides a powerful way to probe the spectral stability of non-self-adjoint operators and has been widely used in black hole physics, but its application to…
Radial Stress and the Innermost Stable Circular Orbit of a Bardeen Black Hole in a Dark Matter Halo: A First-Order Response Criterion
Yang Deng, Jia-Zhou Liu, Wen-Di Guo
A dark matter density profile alone does not determine the spacetime around a black hole; the radial stress must be prescribed separately and governs the strong-field orbital respo…
Radial spectra and dynamical signatures of excited boson stars
Chen-Hao Hao, Wen-Di Guo, Qin Tan +1
We compute the lowest radial mode of spherically symmetric boson stars along equilibrium branches with a fixed number of radial nodes, considering both mini boson stars and quartic…
Real Part Emergence in Purely Imaginary Quasinormal Modes in Perturbed de Sitter Braneworlds
Hai-Long Jia, Wen-Di Guo, Yun-Tao Gu +1
For braneworlds with infinite extra dimensions, an analysis of the stability of the characteristic spectrum is essential for understanding their dynamical properties. In this study…
Spectral Butterfly Effect and Resilient Ringdown in Thick Braneworlds
Hai-Long Jia, Wen-Di Guo, Yu-Peng Zhang +1
The quasinormal mode spectrum is a unique fingerprint linking gravitational-wave observations to extra-dimensional geometry. In this Letter, we show that thick braneworlds exhibit…
Quasinormal modes of an electrically charged Kalb-Ramond black hole
Yun-Tao Gu, Wen-Di Guo, Yu-Xiao Liu
Lorentz violation serves as a significant feature in many modified theories of gravity. In particular, spontaneous Lorentz violation induced by the Kalb-Ramond field has attracted…
Quasinormal modes of a charged spherically symmetric black hole in bumblebee gravity
Bo-Rui Li, Jia-Zhou Liu, Wen-Di Guo +1
Recently, exact charged spherically symmetric black hole solutions within the framework of bumblebee gravity have been obtained, where the Lorentz symmetry is spontaneously broken…
Quasinormal Ringing of de Sitter Braneworlds
Hai-Long Jia, Wen-Di Guo, Yu-Xiao Liu +1
Compared with the Poincaré braneworld, the de Sitter (dS) braneworld aligns more closely with the present universe characterized by a small but finite cosmological constant. To exp…
Dynamical formation of axionic hair around charged black hole
Yu-Peng Zhang, Si-Jiang Yang, Shao-Wen Wei +2
In this paper, we present a nonlinear numerical investigation on the dynamical scalarization process of a Reissner-Nordström black hole, incorporating an axionic scalar potential w…
Charged spherically symmetric and slowly rotating charged black hole solutions in bumblebee gravity
Jia-Zhou Liu, Wen-Di Guo, Shao-Wen Wei +1
In this paper, we present charged spherically symmetric black hole solutions and slowly rotating charged solutions in bumblebee gravity with and without a cosmological constant. Th…
Gravitational Echoes from Braneworlds
Chun-Chun Zhu, Jing Chen, Wen-Di Guo +1
Gravitational echoes can be used to probe the structure of spacetime. In this paper, we investigate the gravitational echoes in different braneworld models in five-dimensional spac…
Parameterized quasinormal frequencies and Hawking radiation for axial gravitational perturbations of a holonomy-corrected black hole
Sen Yang, Wen-Di Guo, Qin Tan +2
As the fingerprints of black holes, quasinormal modes are closely associated with many properties of black holes. Especially, the ringdown phase of gravitational waveforms from the…
Quasinormal ringing of thick braneworlds with a finite extra dimension
Hai-Long Jia, Wen-Di Guo, Qin Tan +1
In this work, we investigate the quasinormal modes of the Poincaré thick brane with a finite extra dimension. Unlike the case with an infinite extra dimension, the gravitational ef…
Quasinormal modes and greybody factor of a Lorentz-violating black hole
Wen-Di Guo, Qin Tan, Yu-Xiao Liu
Recently, a static spherically symmetric black hole solution was found in gravity nonminimally coupled a background Kalb-Ramond field. The Lorentz symmetry is spontaneously broken…
The shadows of accelerating Kerr-Newman black hole and constraints from M87*
Tao-Tao Sui, Qi-Ming Fu, Wen-Di Guo
In this paper, we study the influence of the parameters for the accelerating Kerr-Newman black hole on the shadows and the constraints, extensively. We find that the rotating param…
First law of black hole thermodynamics and the weak cosmic censorship conjecture for Kerr-Newman Taub-NUT black holes
Si-Jiang Yang, Wen-Di Guo, Shao-Wen Wei +1
Stimulated by the recent researches of black hole thermodynamics for black hole with Newman-Unti-Tamburino (NUT) parameter, we investigate the thermodynamics and weak cosmic censor…
Axial gravitational quasinormal modes of a self-dual black hole in loop quantum gravity
Sen Yang, Wen-Di Guo, Qin Tan +1
We study the axial gravitational quasinormal modes of a self-dual black hole in loop quantum gravity. Considering the axial perturbation of the background spacetime, we obtain the…
Characteristic modes of thick brane model: resonances and quasinormal modes
Qin Tan, Wen-Di Guo, Yu-Peng Zhang +1
In this work, we investigate the gravitational quasinormal modes (QNMs) and the gravitational resonances of a thick brane model. We use the asymptotic iteration and shooting method…
Gravitoelectromagnetic coupled perturbations and quasinormal modes of a charged black hole with scalar hair
Wen-Di Guo, Qin Tan, Yu-Xiao Liu
From the quantum point of view, singularity should not exist. Recently, Bah and Heidmann constructed a five-dimensional singularity free topology star/black hole [Phys. Rev. Lett.…
Kaon-meson condensation and resonance in hyperonic stellar matter within a relativistic mean-field model
Fu Ma, Chen Wu, Wenjun Guo
We study the equation of state of dense baryon matter within the relativistic mean-field model, and we include (1232) isobars into IUFSU model with hyperons and consider the pos…
Sound from extra dimension: quasinormal modes of thick brane
Qin Tan, Wen-Di Guo, Yu-Xiao Liu
In this work, we investigate the quasinormal modes of a thick brane system. Considering the transverse-traceless tensor perturbation of the brane metric, we obtain the Schrödinger-…
Shadow of a charged black hole with scalar hair
Wen-Di Guo, Shao-Wen Wei, Yu-Xiao Liu
Seeking singularity free solutions are important for further understanding black holes in quantum level. Recently, a five-dimensional singularity free black hole/topological star w…
Evolution of scalar field resonances in a braneworld
Qin Tan, Yu-Peng Zhang, Wen-Di Guo +3
In this work, we investigate numerical evolution of massive Kaluza-Klein (KK) modes of a scalar field in a thick brane. We derive the Klein-Gordon equation in five dimensional spac…