Physical review letters
Black Hole Quasinormal Mode Resonances.
Yiqiu Yang, Emanuele Berti, Nicola Franchini
Published: 202510.1103/hfv8-n444
Abstract
Black hole quasinormal mode frequencies can be very close to each other ("avoided crossings") or even completely degenerate ("exceptional points") when the system is characterized by more than one parameter. We investigate this resonant behavior and…
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