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gr-qc2024★ 1 cited
Shadows, Quasinormal Modes, and Optical Appearances of Black Holes in Horndeski Theory
Zhi Luo, Jin Li, Ke-Jian He +1
This work describes the motion of photons in black hole (BH) spacetimes within the framework of Horndeski theory. We focus on the shadows, quasinormal modes (QNMs) and optical appe…
gr-qc2024
Holographic entropy bound and a special class of spherical systems in cosmology
Hao Yu, Zi-Chao Lin, Jin Li
The holographic entropy bound is discussed in cosmology. Inspired by the work of Fischler and Susskind [hep-th/9806039], we aim to define a special class of spherical systems in co…
gr-qc2024
Observational appearance and additional photon rings of the asymmetric thin-shell wormhole in Horndeski theory
Zhi Luo, Hao Yu, Jin Li
In this paper, we study the observational appearance of the asymmetric thin-shell wormhole (ATW) in Horndeski theory by employing the ray-tracing method. We first calculate the eff…