35 citations · 42 across the 2 of their papers we have counts for
4 papers
Near-horizon Geodesic Instabilities and Anomalous Decay of Quasinormal Modes in Weyl Black Holes
Gerasimos Kouniatalis, P. A. González, Eleftherios Papantonopoulos +1
We study the stability of the Weyl geometry considering an exact black hole solution. By calculating the geodesics of massless and massive scalar fields orbiting outside the Weyl b…
Massive scalar field perturbations of 4D de Sitter Einstein-Gauss-Bonnet black holes
Ramón Bécar, P. A. González, Eleftherios Papantonopoulos +1
We investigate the propagation of massive scalar fields in the background of four-dimensional Einstein-Gauss-Bonnet black holes with de Sitter (dS) asymptotics. Our study focuses o…
Study of Null Geodesics and their Stability in Horndeski Black Holes
D. A. Carvajal, P. A. González, Marco Olivares +2
We study the motion of particles in the background of a scalar-tensor theory of gravity in which the scalar field is kinetically coupled to the Einstein tensor and we present the n…
Anomalous decay rate of quasinormal modes in Reissner-Nordström black holes
R. D. B. Fontana, P. A. González, Eleftherios Papantonopoulos +1
The anomalous decay rate of the quasinormal modes occurs when the longest-lived modes are the ones with higher angular number. Such behaviour has been recently studied in different…