Quasinormal modes of black holes with a scalar hair in Einstein-Maxwell-dilaton theory

ANGEL RINCON RIVERO, Grigoris Panotopoulos

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We compute the quasinormal frequencies for scalar perturbations of hairy black holes in four-dimensional Einstein-Maxwell-dilaton theory assuming a non-trivial scalar potential for the dilaton field. We investigate the impact on the spectrum of the angular degree, the overtone number, the charges of the black hole as well as the magnitude of the scalar potential. All modes are found to be stable. Our numerical results are summarized in tables, and for better visualization, we show them graphically as well.

Original languageEnglish
Article number085303
JournalPhysica Scripta
Volume95
Issue number8
DOIs
StatePublished - Aug 2020
Externally publishedYes

Keywords

  • classical general relativity
  • physics of black holes
  • relativistic wave equations

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