2 papers
gr-qc2026
Thermodynamics and quasinormal modes of the regular Dymnikova-Letelier black hole
L. C. N. Santos, L. G. Barbosa
In this work, we investigate the thermodynamic properties and quasinormal modes of a regular Dymnikova-Letelier black hole. Starting from the Einstein field equations sourced by an…
gr-qc2026
Black string immersed in perfect fluid dark matter
L. G. Barbosa, L. C. N. Santos
We present an exact four-dimensional black string solution immersed in perfect fluid dark matter within an anti-de Sitter background. By solving the Einstein field equations for an…