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gr-qc2026
Analytic Quasinormal Spectrum of Effective de Sitter Space in Generalized Proca Theory
Zainab Malik
Quasinormal modes describe the relaxation of perturbed black holes and relate ringdown observables to the background geometry. In this work we study the problem in a de Sitter sett…
gr-qc2026★ 2 cited
Analytic Expressions for Quasinormal Modes of a Regular Black Hole Sourced by a Dehnen-Type Halo
Zainab Malik
Using an expansion beyond the eikonal regime, we derive relatively compact and accurate analytic expressions for the gravitational quasinormal modes of an asymptotically flat black…