A geometric dual of -extremization
Oct 25, 2018
67 pages
Published in:
- JHEP 01 (2019) 212
- Published: Jan 29, 2019
e-Print:
- 1810.11026 [hep-th]
Report number:
- Imperial/TP/2018/JG/03
View in:
Citations per year
Abstract: (Springer)
We consider supersymmetric AdS × Y and AdS × Y solutions of type IIB and D = 11 supergravity, respectively, that are holographically dual to SCFTs with (0, 2) supersymmetry in two dimensions and = 2 supersymmetry in one dimension. The geometry of Y_{2n}_{+1}, which can be defined for n ≥ 3, shares many similarities with Sasaki-Einstein geometry, including the existence of a canonical R-symmetry Killing vector, but there are also some crucial differences. We show that the R-symmetry Killing vector may be determined by extremizing a function that depends only on certain global, topological data. In particular, assuming it exists, for n = 3 one can compute the central charge of an AdS × Y solution without knowing its explicit form. We interpret this as a geometric dual of c-extremization in (0, 2) SCFTs. For the case of AdS × Y solutions we show that the extremal problem can be used to obtain properties of the dual quantum mechanics, including obtaining the entropy of a class of supersymmetric black holes in AdS. We also study many specific examples of the type AdS × T × Y, including a new family of explicit supergravity solutions. In addition we discuss the possibility that the (0, 2) SCFTs dual to these solutions can arise from the compactification on T of certain d = 4 quiver gauge theories associated with five-dimensional Sasaki-Einstein metrics and, surprisingly, come to a negative conclusion.Note:
- 67 pages. Minor changes, published version
- AdS-CFT Correspondence
- Differential and Algebraic Geometry
- Supersymmetric Gauge Theory
- Black Holes in String Theory
- vector: Killing
- dimension: 2
- supergravity: solution
- duality: holography
- dimension: 1
- gauge field theory: quiver
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