Low-lying gravitational modes in the scalar sector of the global AdS 4 black hole

Georgios Michalogiorgakis, Silviu S. Pufu

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

We compute the quasinormal frequencies corresponding to the scalar sector of gravitational perturbations in the four-dimensional AdS-Schwarzschild black hole by using the master field formalism of [1]. We argue that the non-deformation of the boundary metric favors a Robin boundary condition on the master field over the usual Dirichlet boundary condition mostly used in the literature. Using this Robin boundary condition we find a family of low-lying modes, whose frequencies match closely with predictions from linearized hydrodynamics on the boundary. In addition to the low-lying modes, we also see the usual sequence of modes with frequencies almost following an arithmetic progression.

Original languageEnglish (US)
Article number023
JournalJournal of High Energy Physics
Volume2007
Issue number2
DOIs
StatePublished - Feb 1 2007

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Keywords

  • AdS-CFT correspondence
  • Black holes

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