Work

Quasinormal modes of a quantum inspired black hole in four dimensions with a cosmological constant

Year: 2026

Type: article

Abstract: We study the scalar and Dirac perturbations of quantum-corrected black holes with cosmological constant. Using two different methods (WKB and double-null characteristic integration) we compute the quasinormal modes (QNMs) of de Sitter and Anti-de Sitter solutions considering linear field perturbations in the background geometry. In the limit of general relativity black holes our methods demonstrate good convergence with the available results in literature. In the presence of an extra quantum parameter we verify that all perturbations are stable evolving in towers of quasinormal oscillations. We scrutinize the spectra of both dS and AdS solutions studying the influence of that extra parameter in the frequencies.

Source: Physical review. D/Physical review. D.

DOI: 10.1103/6wbp-wl7x

Authors: R. D. B. Fontana, Jeferson de Oliveira, B. Eslam Panah, Ángel Rincón