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Quasinormal-Mode Collider Spectroscopy
Mian Zhu, Jun Tao, Peng Wang
Black-hole (BH) quasinormal modes encode the properties of merger remnants and provide powerful tests of strong-field gravity. The BH spectroscopy has predominantly treated them as…
Finite Coherence in Gravitational Waves from Tidally Excited Axion Clouds
Yizhi Liang, Mian Zhu, Wen-Biao Han +3
Axion clouds around rotating black holes form gravitational atoms whose tidal transitions can radiate gravitational waves in binaries. For strongly coupled Bohr crossings, transiti…
Exceptional Points in Quasinormal Spectra of Hairy Black Holes
Lang Cheng, Xiaobo Guo, Yuhan Li +2
Exceptional points (EPs) in quasinormal mode (QNM) spectra are non-Hermitian degeneracies at which both the eigenvalues and eigenfunctions coalesce. In this paper, we identify an E…
Lyapunov exponents and phase transition of charged Ads black hole in quintessence
Xiaobo Guo, Rui Yang, Yizhi Liang +1
This study investigates the phase transitions of RN-AdS black holes immersed in a quintessence field, employing Lyapunov exponents as a dynamical probe to characterize the thermody…
Black holes in gravity coupled with Euler-Heisenberg electrodynamics
Yizhi Liang, Jun Tao, Rui Yang
We investigate the scenario of black holes coupled with the Euler-Heisenberg nonlinear electromagnetic field in the framework of gravity. The black hole solutions for elec…