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Coexistence of Spectrally Stable and Unstable Modes in Black Hole Ringdowns
Peng Wang, Tianshu Wu
Recent studies have shown that a secondary potential barrier, forming a potential well outside the event horizon, can destabilize the Quasinormal Mode (QNM) spectrum of black holes…
Gravitational Lensing by Black Holes in Einstein-nonlinear Electrodynamic Theories with Multiple Photon Spheres
Siyuan Hui, Benrong Mu, Peng Wang
In this paper, we study the gravitational lensing effects of non-linear electrodynamic black holes. Non-linear electrodynamic black holes serve as typical models for multi-event ho…
Schwarzschild Black Holes Immersed in Born-Infeld Magnetic Fields and Their Observational Signatures
Yiqian Chen, Guangzhou Guo, Benrong Mu +1
We investigate the influence of Born-Infeld (BI) nonlinear electrodynamics on magnetic field configurations, photon orbits, and black hole shadows for Schwarzschild black holes imm…
Rotating Black Holes in Einstein-Born-Infeld Theory
Lang Cheng, Peng Wang
We numerically construct a family of stationary, axisymmetric black hole solutions in Einstein-Born-Infeld theory, incorporating both electric charge and rotation. Our results indi…