activity
20182026
most citedDeformed black hole immersed in dark matter spike

50 citations · 237 across the 33 of their papers we have counts for

collaborators

33 papers

gr-qc2026

Testing Van der Waals black holes using black hole photon rings

Chengzhen Li, Meirong Tang, Zhaoyi Xu

The Van der Waals black hole (BH) is a non-Kerr model in Anti-de Sitter (AdS) spacetime that exhibits characteristic thermodynamic phase transitions. Whether the physical validity…

gr-qc2026

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…

gr-qc2026

Non-minimally coupled Einstein-Yang-Mills black holes: periodic orbits and gravitational wave radiation in extreme mass ratio systems

Xiuqin He, Zhaoyi Xu, Meirong Tang

Extreme mass ratio inspirals (EMRIs), as a core target for future space-based gravitational wave detection, offer crucial observational grounds for testing strong-field gravitation…

gr-qc2026

Periodic Orbits and Gravitational Radiation from Extreme Mass-Ratio Inspirals as Probes of Black Hole Quantum Hair

Yiru Zhang, Meirong Tang, Zhaoyi Xu

The classical no-hair theorem states that stationary black holes in general relativity can be completely described by only a small set of global parameters. Within this framework,…

gr-qc2026

Scalar-tensor-vector gravity theory is tested by black hole photon rings

Qiao Yue, Zhaoyi Xu, Meirong Tang

This paper investigates the photon ring and shadow structure of the Reissner-Nordström black hole in the scalar-tensor-vector gravitational framework. The black hole is characteriz…

gr-qc2025★ 1 cited

Periodic Orbits and Gravitational Wave Radiation of Black Hole in EGB gravity

Liping Meng, Zhaoyi Xu, Meirong Tang

This paper investigates the orbital dynamics and gravitational wave radiation characteristics of neutral test particles around a static spherically symmetric charged black hole (BH…

gr-qc2025★ 1 cited

Shadow constraints of charged black hole with scalar hair and gravitational waves from extreme mass ratio inspirals

Lai Zhao, Meirong Tang, Zhaoyi Xu

Black hole (BH) shadow observations and gravitational wave astronomy have become crucial approaches for exploring BH physics and testing gravitational theories in extreme environme…

gr-qc2025

Testing Extended Theories of Gravity via Black Hole Photon Rings

Qiao Yue, Zhaoyi Xu, Meirong Tang

This research delves into the optical characteristics of stationary, spherically symmetric black holes. These black holes follow the Konoplya-Zhidenko deformation rule in arbitrary…

gr-qc2025★ 4 cited

Shadows and Observational Images of a Schwarzschild-like Black Hole Surrounded by a Dehnen-type Dark Matter Halo

Zuting Luo, Meirong Tang, Zhaoyi Xu

This paper investigates the optical appearance of a Schwarzschild-like black hole (BH) surrounded by a Dehnen-(1, 4, 5/2) type dark matter (DM) halo, with a focus on how the DM hal…

gr-qc2025

Distinguishing Between Dark Matter-Black Hole Systems and Naked Singularities via Quasi-Periodic Oscillations

Zheng Ma, Meirong Tang, Zhaoyi Xu

Quasi-Periodic Oscillations (QPOs) are an important phenomenon commonly observed in the X-ray radiation of black holes and neutron stars, closely related to the dynamics of accreti…

gr-qc2025★ 2 cited

Constraints on the Scale Parameter of Regular Black Hole in Asymptotically Safe Gravity from Extreme Mass Ratio Inspirals

Lai Zhao, Meirong Tang, Zhaoyi Xu

This paper evaluates the potential for constraining the quantum scale parameter of regular black hole within the asymptotically safe gravity framework using gravitational waves…

gr-qc2025

Yang-Mills field modified RN black hole and the Strong Cosmic Censorship Conjecture

Zhiqin Tu, Meirong Tang, Zhaoyi Xu

To address the singularity problem in black hole physics, Penrose proposed the cosmic censorship conjecture . However, whether this conjecture holds in different types of black hol…

gr-qc2024★ 23 cited

Periodic orbits and gravitational wave radiation in short hair black hole spacetimes for an extreme mass ratio system

Lai Zhao, Meirong Tang, Zhaoyi Xu

For a short hair black hole(BH) which circumvents the "no-short-hair" theorem, it manifests intense hair behavior in the vicinity of the event horizon, accompanied by remarkable qu…

gr-qc2024★ 19 cited

Bound Orbits and Gravitational Wave Radiation Around the Hairy Black Hole

Liping Meng, Zhaoyi Xu, Meirong Tang

The hairy black hole model provides a new theoretical framework for exploring phenomena in strong gravitational fields. This paper systematically investigates the influence of the…

gr-qc2024

Short-Hair Black Holes and the Strong Cosmic Censorship Conjecture

Zhiqin Tu, Meirong Tang, Zhaoyi Xu

The singularity problem has always been a focus of physicists' research. In order to solve this problem, Penrose proposed the cosmic censorship conjecture, but verifying this conje…

gr-qc2024

Exploring the Possibility of Testing the No-Hair Theorem with Minkowski-deformed Regular Hairy Black Holes Via Photon Rings

Xilong Yang, Meirong Tang, Zhaoyi Xu

In this paper, we investigate the optical appearance of a regular static spherically symmetric hairy black hole within the context of Minkowski deformation governed by the paramete…

gr-qc2024★ 4 cited

Strong Gravitational Lensing Effects of the Rotating Short-Haired Black Hole and Constraints from EHT Observations

Lai Zhao, Meirong Tang, Zhaoyi Xu

For the short hairs that have a significant impact only near the event horizon, studying their strong gravitational lensing effects is of great significance for revealing the prope…

gr-qc2024★ 23 cited

The Lensing Effect of Quantum-Corrected Black Hole and Parameter Constraints from EHT Observations

Lai Zhao, Meirong Tang, Zhaoyi Xu

The quantum-corrected black hole model demonstrates significant potential in the study of gravitational lensing effects. By incorporating quantum effects, this model addresses the…

gr-qc2024

Testing The Weak Cosmic Censorship Conjecture in Short Haired Black Holes

Min Zhao, Meirong Tang, Zhaoyi Xu

The Weak Cosmic Censorship Conjecture is a hypothesis regarding the properties of event horizons and singularities during the formation of black holes, stating that singularities a…

gr-qc2024

Destroying the Event Horizon of Cold Dark Matter-Black Hole System

Liping Meng, Zhaoyi Xu, Meirong Tang

Since the Weak Cosmic Censorship Conjecture was proposed, research on this conjecture has been ongoing. This paper explores the conjecture in black holes that are closer to those e…

gr-qc2024★ 8 cited

The Weak Cosmic Censorship Conjecture in Hairy Kerr Black Holes

Lai Zhao, Meirong Tang, Zhaoyi Xu

The Weak Cosmic Censorship Conjecture, since its proposal, has always been a controversial hypothesis, but its significance in astrophysics is undeniable. For a regular black hole,…

gr-qc2023

Test the weak cosmic censorship conjecture via black hole in dark matter halo

Meirong Tang, Lai Zhao, Zhaoyi Xu

The weak cosmic censorship conjecture states that the black hole singularity is hidden inside the event horizon of the black hole, making it impossible for an external observer to…

gr-qc2023★ 9 cited

Test the Weak Cosmic Supervision Conjecture in Dark Matter-Black Hole System

Liping Meng, Zhaoyi Xu, Meirong Tang

There is a possibility that the event horizon of a Kerr-like black hole with perfect fluid dark matter (DM) can be destroyed, providing a potential opportunity for understanding th…

gr-qc2023

Quasinormal modes of dark matter core-black hole spacetime

Min Zhao, Meirong Tang, Zhaoyi Xu

In the galactic core, when the scale of dark matter is small, the distribution of dark matter is that of a constant density dark matter core.Considering the case of a supermassive…