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arXiv 1401.6764hep-th
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超对称Renyi熵的引力对偶

The Gravity Dual of Supersymmetric Renyi Entropy

Tatsuma Nishioka

摘要:

利用定域配分函数定义了三球面分支覆盖上N = 2的三维超共形场论的超对称Renyi熵.在保角变换下,分支覆盖映射到S^1 × H^2,其引力对偶是带电拓扑AdS_4黑洞。黑洞可以嵌入四维N = 2规范超引力中,其中质量和电荷是相关的,因此它保留了一半的超对称性。在引力理论中,我们计算了含有和不含某种类型的威尔逊圈算子的超对称Renyi熵。我们发现它们与大N极限下的对偶场论的结果一致。

英文摘要:

Supersymmetric Renyi entropies are defined for three-dimensional N=2 superconformal field theories on a branched covering of a three-sphere by using the localized partition functions. Under a conformal transformation, the branched covering is mapped to S^1 x H^2, whose gravity dual is the charged topological AdS_4 black hole. The black hole can be embedded into four-dimensional N=2 gauged supergravity where the mass and charge are related so that it preserves half of the supersymmetries. We compute the supersymmetric Renyi entropies with and without a certain type of Wilson loop operators in the gravity theory. We find they agree with those of the dual field theories in the large-N limit.

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