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arXiv 2104.00977hep-th
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三维$\mathcal{N}=2$ $S$ -fold SCFT的全息共形流形

The Holographic Conformal Manifold of 3d $\mathcal{N}=2$ $S$-fold SCFTs

Nikolay Bobev, Fridrik Freyr Gautason, Jesse van Muiden

摘要:

我们采用四维最大超引力的非紧规范来构造一个保持$\mathcal{N}=2$超对称性的AdS $_4$ J-折叠解的双参数族。所有的解决方案保持$\mathfrak{u}(1)\times\mathfrak{u}(1)$的全球对称性和在特殊的限制,我们恢复以前已知的$\mathfrak{su}(2)\times\mathfrak{u}(1)$不变$\mathcal{N}=2$和$\mathfrak{su}(2)\times\mathfrak{su}(2)$不变$\mathcal{N}=4$ J-倍的解决方案。这个AdS $_4$背景族可以提升到IIB型弦理论,并且与从Gaiotto-Witten的$\mathcal{N}=4$ $T[\text{U}(N)]$理论得到的一类三维$S$ -fold SCFT的共形流形是全息对偶的。我们找到了AdS $_4$解的超引力激发谱,并利用它研究了三维SCFT的算子谱如何依赖于精确的边际耦合。

英文摘要:

We employ a non-compact gauging of four-dimensional maximal supergravity to construct a two-parameter family of AdS$_4$ J-fold solutions preserving $\mathcal{N}=2$ supersymmetry. All solutions preserve $\mathfrak{u}(1)\times\mathfrak{u}(1)$ global symmetry and in special limits we recover the previously known $\mathfrak{su}(2)\times\mathfrak{u}(1)$ invariant $\mathcal{N}=2$ and $\mathfrak{su}(2)\times\mathfrak{su}(2)$ invariant $\mathcal{N}=4$ J-fold solutions. This family of AdS$_4$ backgrounds can be uplifted to type IIB string theory and is holographically dual to the conformal manifold of a class of three-dimensional $S$-fold SCFTs obtained from the $\mathcal{N}=4$ $T[\text{U}(N)]$ theory of Gaiotto-Witten. We find the spectrum of supergravity excitations of the AdS$_4$ solutions and use it to study how the operator spectrum of the three-dimensional SCFT depends on the exactly marginal couplings.

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