Tolga Birkandan (Author), Mirjam Cvetič (Author)

Abstract

Wu black hole is the most general solution of maximally supersymmetric gauged supergravity in D=5, containing U(1)(3) gauge symmetry. We study the separability of the massless Klein-Gordon equation and probe its singularities for a general stationary, axisymmetric metric with orthogonal transitivity, and apply the results to the Wu black hole solution. We start with the zero azimuthal-angle eigenvalues in the scalar field Ansatz and find that the residuum of a pole in the radial equation is associated with the surface gravity calculated at this horizon. We then generalize our calculations to nonzero azimuthal eigenvalues and probing each horizon singularity, we show that the residua of the singularities for each horizon are in general associated with a specific combination of the surface gravity and the angular velocities at the associated horizon. It turns out that for the Wu black hole both the radial and angular equations are general Heun's equations with four regular singularities.

Keywords

black holes;string theory;conformal field models;string duality;Kvantna logika;Fizika elementarnih delcev;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UM - University of Maribor
UDC: 530.122.3
COBISS: 81513217 Link will open in a new window
ISSN: 1029-8479
Views: 1271
Downloads: 332
Average score: 0 (0 votes)
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Other data

Secondary language: Slovenian
Secondary keywords: črne luknje;teorije superstrun;modeli konformnih polj;dualnost superstrun;
URN: URN:SI:UM:
Type (COBISS): Scientific work
Pages: ǂart. ǂ121
Issue: ǂIssue ǂ9
Chronology: sep. 2014
DOI: 10.1007/JHEP09(2014)121
ID: 10844767
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