Scalar waves in regular Bardeen black holes: Scattering, absorption and quasinormal modes
Caio F. B. Macedo, Lu\'is C. B. Crispino, Ednilton S. de Oliveira
TL;DR
This paper investigates how massless scalar fields interact with regular Bardeen black holes, analyzing their scattering, absorption, and quasinormal modes, and comparing these properties with Reissner-Nordström black holes.
Contribution
It provides a detailed analysis of scalar field phenomenology around Bardeen black holes and compares their properties with Reissner-Nordström black holes, highlighting similarities in certain limits.
Findings
Absorption cross section and scattering cross section are characterized for Bardeen black holes.
Quasinormal modes are computed and compared with Reissner-Nordström black holes.
Limiting cases show when Bardeen and Reissner-Nordström black holes exhibit similar properties.
Abstract
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 compare the Bardeen and Reissner-Nordstr\"om black holes, showing limiting cases for which their properties are similar.
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