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arXiv 1003.5694hep-th
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三维对偶的非微扰检验

Nonperturbative Tests of Three-Dimensional Dualities

Anton Kapustin, Brian Willett, Itamar Yaakov

摘要:

我们测试了强耦合超共形场论在三维空间中的几个几何对偶性,通过计算它们在三球上的精确配分函数作为Fayet-Iliopoulos和质量参数的函数。计算是利用路径积分的局部化和以前为超共形N = 2规范理论导出的矩阵模型进行的。我们验证了与镜像对称性相关的量子力学理论的配分函数的一致性,只要质量参数和Fayet-Iliopoulos参数如预测的那样交换。对N = 8的超杨-米尔斯理论的镜像进行了类似的计算,并在单位Chern-Simons水平上证明了它的配分函数与ABJM理论的配分函数一致.这提供了一个非微扰测试的两个理论在共形极限的几何等价性。

英文摘要:

We test several conjectural dualities between strongly coupled superconformal field theories in three dimensions by computing their exact partition functions on a three-sphere as a function of Fayet-Iliopoulos and mass parameters. The calculation is carried out using localization of the path integral and the matrix model previously derived for superconformal N = 2 gauge theories. We verify that the partition functions of quiver theories related by mirror symmetry agree provided the mass parameters and the Fayet-Iliopoulos parameters are exchanged, as predicted. We carry out a similar calculation for the mirror of N = 8 super-Yang-Mills theory and show that its partition function agrees with that of the ABJM theory at unit Chern-Simons level. This provides a nonperturbative test of the conjectural equivalence of the two theories in the conformal limit.

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