3 papers
hep-th2025
Mixed State Entanglement Entropy in CFT
Xin Jiang, Peng Wang, Houwen Wu +1
How to calculate the entanglement entropy between two subsystems for a mixed state has remained an important problem. In this paper, we provide a straightforward method, namely the…
gr-qc2024
Polarized Image of a Synchrotron-emitting Ring in Einstein-Maxwell-scalar Theory
Yiqian Chen, Lang Cheng, Peng Wang +1
This study investigates polarized images of an equatorial synchrotron-emitting ring surrounding hairy black holes within the Einstein-Maxwell-scalar theory. Our analysis demonstrat…
gr-qc2024
Observational Signatures of Traversable Wormholes
Yiqian Chen, Lang Cheng, Peng Wang +1
In this paper, we study the observational signatures of traversable Simpson-Visser wormholes illuminated by luminous celestial spheres and orbiting hot spots. We demonstrate that w…