activity
20222026
most citedQuasinormal modes and Hawking radiation of a charged Weyl black hole

28 citations · 68 across the 14 of their papers we have counts for

collaborators

15 papers

gr-qc2026

Quasinormal modes of a rotating loop quantum black hole

Zhongzhinan Dong, Shulan Li, Dan Zhang +1

We investigate the quasinormal modes of a massless scalar field on an effective rotating loop quantum black hole background, constructed from a covariant spherical model via an imp…

gr-qc2026

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…

gr-qc2026

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…

gr-qc2026

Probing Quantum Gravity effects with Extreme Mass Ratio Inspirals around Rotating Hayward Black Holes

Dan Zhang, Chao Zhang, Qiyuan Pan +2

We investigate extreme mass-ratio inspirals (EMRIs) around a rotating Hayward black hole to assess the detectability of signatures arising from quantum gravity.The quantum paramete…

gr-qc2025

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…

gr-qc2024

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…

gr-qc2024

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…

gr-qc2024★ 9 cited

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…

gr-qc2024★ 1 cited

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…

gr-qc2024

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…

gr-qc2023★ 3 cited

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…

hep-th2022★ 9 cited

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…

gr-qc2022★ 28 cited

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…

hep-th2022★ 10 cited

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…

hep-th2022★ 8 cited

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…