activity
20242026
most citedShadows of rotating black holes in effective quantum gravity

1 citations · 1 across the 5 of their papers we have counts for

collaborators

10 papers

gr-qc2026

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…

gr-qc2026

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…

gr-qc2026

Observational Signatures of Rotating Ayón-Beato-García Black Holes: Shadows, Accretion Disks and Images

Zhenglong Ban, Meng Chen, Rong-Jia Yang

We investigate the shadows, accretion disks, and observational images of rotating Ayón-Beato--Garc\'ıa (ABG) black holes with mass , spin , and nonlinear-electrodynamics (NLE…

gr-qc2025

Spherically symmetric charged (anti-)de Sitter black hole in gravity coupled with nonlinear electrodynamics

Tianyou Ren, Zhenglong Ban, Yaobin Hua +1

We investigate black hole solutions in quadratic gravity coupled with nonlinear electrodynamics . Solving the field equations yield…

gr-qc2025

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…

gr-qc2025

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…