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Scalar waves in regular Bardeen black holes: Scattering, absorption and quasinormal modes
Caio F. B. Macedo, Luís C. B. Crispino, Ednilton S. de Oliveira
We discuss the phenomenology of massless scalar fields around a regular Bardeen black hole, namely absorption cross section, scattering cross section and quasinormal modes. We comp…
Numerical Relativity and High Energy Physics: Recent Developments
Emanuele Berti, Vitor Cardoso, Luis C. B. Crispino +3
We review recent progress in the application of numerical relativity techniques to astrophysics and high-energy physics. We focus on some developments that took place within the "N…
Quasinormal modes of relativistic stars and interacting fields
Caio F. B. Macedo, Vitor Cardoso, Luís C. B. Crispino +1
The quasinormal modes of relativistic compact objects encode important information about the gravitational response associated with astrophysical phenomena. Detecting such oscillat…
Tidal Forces in Reissner-Nordström Spacetimes
Luís C. B. Crispino, Atsushi Higuchi, Leandro A. Oliveira +1
We analyze the tidal forces produced in the spacetime of Reissner-Nordström black holes. We point out that the radial component of the tidal force changes sign just outside the eve…