A geometric dual of c-extremization

A geometric dual of c-extremization
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c-极端化的几何对偶

DOI:
10.1007/jhep01(2019)212
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发表时间:
2019
影响因子:
5.4
通讯作者:
Couzens C
Couzens C
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Couzens C

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我们分别考虑了IIB型和D= 11型超重力ads3xy7和ads2xy9的超对称解,它们是二维(0,2)超对称和一维= 2超对称的scft全息对偶。Y 2n+ 1的几何可以定义为n≥3,它与Sasaki-Einstein几何有许多相似之处,包括正则r对称杀伤向量的存在,但也有一些关键的区别。我们证明了r -对称杀伤向量可以通过极化一个只依赖于某些全局拓扑数据的函数来确定。特别是,假设它存在,对于n= 3,我们可以在不知道其显式形式的情况下计算ads3xy7解的中心电荷。我们将其解释为(0,2)SCFTs中c-极化的几何对偶。对于ads2 × y9解,我们证明了极值问题可以用来获得对偶量子力学的性质,包括获得ads2中一类超对称黑洞的熵。我们还研究了ad3xt2xy5型的许多具体例子,包括一个新的显式超重力解族。此外,我们讨论了这些解的(0,2)SCFTs对偶可以由与五维Sasaki-Einstein度量相关的某些d= 4颤振规范理论在t2上的紧化产生的可能性,并且令人惊讶地得出了否定的结论。
We consider supersymmetric AdS 3× Y 7 and AdS 2× Y 9 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 3× Y 7 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 2× Y 9 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 4. We also study many specific examples of the type AdS 3× T 2× Y 5, 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 2 of certain d= 4 quiver gauge theories associated with five-dimensional Sasaki-Einstein metrics and, surprisingly, come to a negative conclusion.
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