Quasinormal modes and the analytical continuation of non-self-adjoint operators

We briefly review the analytical continuation method for determining quasinormal modes (QNMs) and the associated frequencies in open systems. We explore two exactly solvable cases based on the Pöschl–Teller potential to show that the analytical continuation method cannot determine the full set of QN...

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Autors principals:	Martín G. Richarte, Júlio C. Fabris, Alberto Saa
Format:	Artigo
Idioma:	Inglês
Publicat:	Frontiers Media S.A. 2024-10-01
Col·lecció:	Frontiers in Physics
Matèries:	self-adjoint extensions Schrödinger operator quasinormal modes black hole general relativity (GR)
Accés en línia:	https://www.frontiersin.org/articles/10.3389/fphy.2024.1490016/full
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