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arXiv 2202.01223hep-thmath-phmath.MPmath.QAmath.RT
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三维镜像对称与$βγ$ VOA

3d Mirror Symmetry and the $βγ$ VOA

Andrew Ballin, Wenjun Niu

摘要:

本文研究了三维$\mathcal N=4$超对称规范理论镜像对称的最简单例子:自由超多重态的A-扭曲和SQED的B-扭曲。我们特别关注在每个理论的线运营商的类别。使用Costello-Gaiotto的工作,我们定义这些类别作为适当的类别的模块的边界顶点算子代数目前在每个理论。对于自由超的A-扭曲,这将是$βγ$ VOA的某个模范畴,正确地包含艾伦-伍德先前研究的范畴。应用Creutzig-Kanade-McRae和Creutzig-McRae-Yang的工作,我们证明了A侧的线算子范畴具有辫子张量范畴的结构,推广了Allen-Wood的结果.此外,我们证明了A侧和B侧的线算子范畴之间存在辫子张量等价,完成了3d镜像对称猜想的非平凡检验。我们推导出明确的融合规则作为这种等价的结果,并获得有趣的关系与相关的量子群表示。

英文摘要:

We study the simplest example of mirror symmetry for 3d $\mathcal N=4$ SUSY gauge theories: the A-twist of a free hypermultiplet and the B-twist of SQED. We particularly focus on the category of line operators in each theory. Using the work of Costello-Gaiotto, we define these categories as appropriate categories of modules for the boundary vertex operator algebras present in each theory. For the A-twist of a free hyper, this will be a certain category of modules for the $βγ$ VOA, properly containing the category previously studied by Allen-Wood. Applying the work of Creutzig-Kanade-McRae and Creutzig-McRae-Yang, we show that the category of line operators on the A side possesses the structure of a braided tensor category, extending the result of Allen-Wood. In addition, we prove that there is a braided tensor equivalence between the categories of line operators on the A side and B side, completing a non-trivial check of the 3d mirror symmetry conjecture. We derive explicit fusion rules as a consequence of this equivalence and obtain interesting relations with associated quantum group representations.

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