Vectorial and spinorial perturbations in Galileon Black Holes: Quasinormal modes, quasiresonant modes and stability
E. Abdalla, B. Cuadros-Melgar, Jeferson de Oliveira, A. B. Pavan and, C. E. Pellicer
TL;DR
This paper investigates the quasinormal modes and stability of Galileon black holes, focusing on how derivative coupling influences perturbations of matter fields and their spectral properties.
Contribution
It introduces a detailed analysis of vectorial and spinorial perturbations in Galileon black holes, highlighting the impact of derivative coupling on quasinormal spectra.
Findings
Derivative coupling affects quasinormal mode frequencies.
Black hole stability is influenced by matter field interactions.
Different methods confirm the robustness of the spectral analysis.
Abstract
In this work we have considered a model that includes the interaction of gravity and matter fields with Galilean invariance (the so-called derivative coupling) as well as some corresponding black hole type solutions. Quasinormal perturbations of two kinds of matter fields have been computed by different methods. The effect of the derivative coupling in the quasinormal spectrum has been analyzed and evaluated.
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