Preprint
Oct 2026
Quasinormal-mode stability bounds in gravitational EFT: resolvability, predictivity, and positivity
It has been proposed that consistency limits how slowly black holes can ring down in extensions of General Relativity: effective-field-theory (EFT) corrections may lengthen the decay time of a quasinormal mode by at most about one oscillation period, $\Re[\omega_{\rm GR}]\,\delta\tau\lesssim1$. We argue that, under sta...
L. Juliano, E. Trincherini
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