Vector perturbations of Kerr-AdS5 and the Painlevé VI transcendent

Julián Barragán Amado, Bruno Carneiro da Cunha*, Elisabetta Pallante

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

15 Citations (Scopus)
41 Downloads (Pure)

Abstract

We analyze the Ansatz of separability for Maxwell equations in generically spinning, five-dimensional Kerr-AdS black holes. We find that the parameter μ introduced in [1] can be interpreted as apparent singularities of the resulting radial and angular equations. Using isomonodromy deformations, we describe a non-linear symmetry of the system, under which μ is tied to the Painlevé VI transcendent. By translating the boundary conditions imposed on the solutions of the equations for quasinormal modes in terms of monodromy data, we find a procedure to fix μ and study the behavior of the quasinormal modes in the limit of fast spinning small black holes.

Original languageEnglish
Article number155
Number of pages23
JournalJournal of High Energy Physics
Volume2020
Issue number4
DOIs
Publication statusPublished - 1-Apr-2020

Keywords

  • Black Holes
  • Black Holes in String Theory
  • Integrable Hierarchies

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