28 citations · 182 across the 34 of their papers we have counts for
34 papers
Echoes and quasinormal modes for static loop quantum black bounces
Huajie Gong, Guoyang Fu, Shulan Li +3
We investigate scalar perturbations of the static loop quantum black bounce (LQBB) spacetime with multipole index , focusing on time-domain signals and fundamental quasinormal…
Assessing EMRI Detectability of the Rotating Quantum Oppenheimer-Snyder Black Hole
Dan Zhang, Shulan Li, Guoyang Fu +1
This letter presents an assessment of quantum gravity effects on extreme-mass-ratio inspirals (EMRIs) for the rotating quantum Oppenheimer-Snyder (qOS) black hole. Employing the ad…
Imprints of quantum gravity effects on gravitational waves: a comparative study using extreme mass-ratio inspirals
Ruo-Ting Chen, Guoyang Fu, Dan Zhang +1
Within a generally covariant Hamiltonian framework of loop quantum gravity (LQG), two black hole models parameterized by a quantum correction have recently been constructed. Us…
Quantum criticality and mixed-state entanglement in holographic superconductor--insulator transitions
Zhe Yang, Fang-Jing Cheng, Guoyang Fu +3
We study quantum criticality in a holographic Einstein--Maxwell--Dilaton--Axion (EMDA) p-wave superconductor exhibiting a superconductor--insulator transition (SIT). By tracking th…
Echoes from the Minkowski-core spacetime
Dan Zhang, Qin Tan, Guoyang Fu +3
In this study, we construct a class of horizonless exotic compact objects (ECOs) with Minkowski core, classifying them as either photon sphere ECOs (PS ECOs) or photon sphere lacki…
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…
Quasinormal modes of a d-dimensional regular black hole featuring an integrable singularity
Zhongzhinan Dong, Dan Zhang, Guoyang Fu +1
In this paper, we exhaustively investigate the quasinormal modes (QNMs) of a probe scalar field over a d-dimensional regular black hole (BH) characterized by the parameter A. The q…
Spontaneous Vectorization in the Einstein-Maxwell-Vector Model
Guang-Zai Ye, Chong-Ye Chen, GuoYang Fu +3
We investigate spontaneous vectorization in the Einstein-Maxwell-Vector (EMV) model, introducing a novel mechanism driven by the interplay between electromagnetic and vector fields…
Quasinormal modes of a charged loop quantum black hole
Li-Gang Zhu, Guoyang Fu, Shulan Li +2
This study presents a systematic investigation of quasinormal modes (QNMs) for probe fields-massless/massive scalar and Dirac fields-around a charged loop quantum gravity black hol…
Quasinormal modes and ringdown waveform of the Frolov black hole
Zhijun Song, Huajie Gong, Hai-Li Li +3
In this paper we investigate scalar perturbation over a Frolov black hole (BH), which is a regular BH induced by the quantum gravity effect. The quasinormal frequencies of a scalar…
Quasinormal modes of a regular black hole with sub-Planckian curvature
Dan Zhang, Huajie Gong, Guoyang Fu +2
This paper explores the properties of the quasinormal modes (QNMs) of a regular black hole(BH) characterized by a Minkowski core and sub-Planckian curvature. When focusing on a spe…
Quasinormal modes of quantum-corrected black holes
Huajie Gong, Shulan Li, Dan Zhang +2
In this paper, we investigate the quasinormal mode (QNM) spectra for scalar perturbation over a quantum-corrected black hole (BH). The fundamental modes of this quantum-corrected B…
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…
Diagnosing quantum phase transition via holographic entanglement entropy at finite temperature
Huajie Gong, Guoyang Fu, Peng Liu +3
We investigate the behavior of the holographic entanglement entropy (HEE) in proximity to the quantum critical points (QCPs) of the metal-insulator transition (MIT) in the Einstein…
Peculiar properties in quasi-normal spectra from loop quantum gravity effect
Guoyang Fu, Dan Zhang, Peng Liu +2
We investigate the quasi-normal mode (QNM) spectra for scalar and electromagnetic fields over a covairant loop quantum gravity black hole (LQG-BH). For the fundamental modes, the L…
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…
Charge transport properties in a novel holographic quantum phase transition model
Guoyang Fu, Huajie Gong, Peng Liu +2
We investigate the features of charge transport in a novel holographic quantum phase transition (QPT) model with two metallic phases: normal metallic and novel metallic. The scalin…
Quasinormal modes and Hawking radiation of a charged Weyl black hole
Guoyang Fu, Dan Zhang, Peng Liu +3
We investigate the scalar field system over a charged Weyl black hole, depicted by a parameter . It is found that the imaginary part of the quasinormal mode spectra is always ne…
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…
Chaotic dynamics of string around the conformal black hole
Da-Zhu Ma, Fang Xia, Dan Zhang +2
In this paper, we make a systematical and in-depth study on the chaotic dynamics of the string around the conformal black hole. Depending on the characteristic parameter of the con…
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…
Instability of de-Sitter black hole with massive scalar field coupled to Gauss-Bonnet invariant and the scalarized black holes
Zhen-Hao Yang, Guoyang Fu, Xiao-Mei Kuang +1
The black hole scalarization in a special Einstein-scalar-Gauss-Bonnet (EsGB) gravity has been widely investigated in recent years. Especially, the spontaneous scalarization of sca…
Holographic p-wave superconductivity from higher derivative theory
Yan Liu, Guoyang Fu, Hai-Li Li +2
We construct a holographic SU(2) p-wave superconductor model with Weyl corrections. The high derivative (HD) terms do not seem to spoil the generation of the p-wave superconducting…
Holograhic two-currents model with coupling and its conductivites
Dan Zhang, Zhenhua Zhou, Guoyang Fu +1
We implement a holographic gravity model of two gauge fields with a coupling between them, which is dual to a two-currents model. An analytical black brane solution is obtained. In…