Charged Dirac Perturbations on Reissner-Nordström Black Holes: Quasinormal Modes
Published:Dec 30, 2025 06:02
•1 min read
•ArXiv
Analysis
This paper investigates the behavior of charged Dirac fields around Reissner-Nordström black holes within a cavity. It focuses on the quasinormal modes, which describe the characteristic oscillations of the system. The authors derive and analyze the Dirac equations under specific boundary conditions (Robin boundary conditions) and explore the impact of charge on the decay patterns of these modes. The study's significance lies in its contribution to understanding the dynamics of quantum fields in curved spacetime, particularly in the context of black holes, and the robustness of the vanishing energy flux principle.
Key Takeaways
- •Investigates charged Dirac quasinormal modes in Reissner-Nordström black holes within a cavity.
- •Derives and analyzes Dirac equations with Robin boundary conditions.
- •Reveals a symmetry in the Dirac spectra between two boundary conditions.
- •Identifies an anomalous decay pattern where excited modes decay slower than the fundamental mode for large charge coupling.
- •Highlights the robustness of the vanishing energy flux principle.
Reference
“The paper identifies an anomalous decay pattern where excited modes decay slower than the fundamental mode when the charge coupling is large.”