2019
DOI: 10.1088/1361-6382/ab56ec
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Null hypersurfaces in Kerr–(A)dS spacetimes

Abstract: For many purposes, a three-dimensional foliation of spacetime is more advantageous to understanding its light cone structure. We derive the equations describing such foliations for the Kerr geometry with non-zero cosmological constant, and show that they reduce to null hypersurfaces in vacuum (anti-)de Sitter spacetime in the limit of zero mass. Furthermore, we find that these null hypersurfaces are free of caustics everywhere for r > 0. Our construction has applications in numerical studies of rotating black … Show more

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Cited by 21 publications
(29 citation statements)
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“…Concretely, the second order phase transition of four-dimensional Kerr-AdS black holes has been investigated in [18,19]. Critical phenomena of extended Kerr-AdS black holes in the phase space have been also studied in [20].…”
Section: Accepted Manuscript 1 Introductionmentioning
confidence: 99%
“…Concretely, the second order phase transition of four-dimensional Kerr-AdS black holes has been investigated in [18,19]. Critical phenomena of extended Kerr-AdS black holes in the phase space have been also studied in [20].…”
Section: Accepted Manuscript 1 Introductionmentioning
confidence: 99%
“…In the case of rotating spacetimes, carrying out a computation of the action for a WDW patch (or of the volume of a spacelike slice) is a technically formidable task. The description of null hypersurfaces is somewhat complicated even for 4 spacetime dimensions [49], and no generalization to higher-dimensional cases presently exists. Fortunately there is a special case that renders the computations tractable: Myers-Perry-AdS spacetimes in odd dimensions with equal angular momenta in each orthogonal rotation plane.…”
Section: Jhep05(2021)226mentioning
confidence: 99%
“…However, for the special case of odd-dimensional rotating black holes with equal angular momenta some of these difficulties can be circumvented, as first emphasized in [30]. Let us illustrate this, following the methods of [49,77,78]. For convenience we will focus on the non-extreme case r + = r − .…”
Section: Jhep05(2021)226mentioning
confidence: 99%
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“…where we have denoted are the affinely null generator of the past right and past left null segments separately. The null hypersurfaces in Kerr-Newman-(A)dS spacetimes have also been studied in [75,76]. The transformation parameter of this joint is given by η ¼ lnðjk 1 • k 2 j=2Þ [6].…”
Section: A Bulk Contributionsmentioning
confidence: 99%