Pseudospectrum and Black Hole Quasinormal Mode Instability

We study the stability of quasinormal modes (QNM) in asymptotically flat black hole spacetimes by means of a pseudospectrum analysis. The construction of the Schwarzschild QNM pseudospectrum reveals the following: (i) the stability of the slowest-decaying QNM under perturbations respecting the asymp...

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Bibliographic Details
Main Authors: José Luis Jaramillo, Rodrigo Panosso Macedo, Lamis Al Sheikh
Format: article
Language:EN
Published: American Physical Society 2021
Subjects:
Online Access:https://doaj.org/article/113c2317a1c64352bc01aeb604d57321
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