Quasinormal modes and stability of the rotating acoustic black hole: Numerical analysis

Vitor Cardoso, José P.S. Lemos, Shijun Yoshida

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)

Abstract

The study of the quasinormal modes (QNMs) of the 2 + 1 dimensional rotating draining bathtub acoustic black hole, the closest analogue found so far to the Kerr black hole, is performed. Both the real and imaginary parts of the quasinormal (QN) frequencies as a function of the rotation parameter B are found through a full nonlinear numerical analysis. Since there is no change in sign in the imaginary part of the frequency as B is increased we conclude that the 2 + 1 dimensional rotating draining bathtub acoustic black hole is stable against small perturbations.

Original languageEnglish
Article number124032
Pages (from-to)124032-1-124032-7
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume70
Issue number12
DOIs
Publication statusPublished - 2004 Dec
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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