3 papers
gr-qc2026
Qualitative Shadow Anomaly as a Smoking-gun Signature of Nonmetricity
Zi-Chao Lin, Hao Yu, Yu-Xiao Liu +1
In general relativity and its metric-formalism extensions, the innermost stable circular orbit and the photon ring of a charged black hole contract as the charge increases. In this…
hep-th2026
Quantum-corrected black hole thermodynamics from the gravitational path integral
Yu-Qi Liu, Hao-Wei Yu, Peng Cheng
Exploring quantum effects from black hole thermodynamics has always been a pivotal topic. In recent years, the free energy landscape and ensemble-averaged theory based on the Eucli…
gr-qc2025
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…