A Unified Spectral Approach for Quasinormal Modes of Lee-Wick Black Holes
arXiv:2410.13245 · doi:10.1103/PhysRevD.110.084032
Abstract
In this paper, we undertake a comprehensive examination of quasinormal modes linked to Lee-Wick black holes, delving into scalar, electromagnetic, and gravitational perturbations using the spectral method. Such black holes can display a rich structure of horizons, and our analysis considers all the representative scenarios, including extremal and non-extremal situations. In particular, we show that purely imaginary quasinormal modes emerge for extremal and near-extremal configurations, suggesting a rapid return to equilibrium without oscillation.
arXiv comment25 pages, 1 Figure, 20 Tables. arXiv admin note: text overlap with arXiv:2406.03353
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