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arXiv 1005.4196hep-th
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${\mathcal N}=4$ SYM场论的超共形指数

Superconformal indices of ${\mathcal N}=4$ SYM field theories

V. P. Spiridonov, G. S. Vartanov

摘要:

用椭圆超几何积分描述了具有简单规范群的4d ${\mathcal N}=4$ SYM理论的超共形指数。对于$F_4, E_6, E_7, E_8$规范群,这给出了这种类型积分的第一个例子。G_2和F_4 SCIs的S-对偶变换等价于积分变量的变换。证明了SP(2N)和SO(2N+1)群理论的SCI在几种重要的特殊情况下是相等的.研究了伴随表象下3d $\mathcal{N}=2$ SYM理论的SCIs到配分函数的约化,找到了相应的3d对偶伴,并给出了一些新的相关双曲β积分.

英文摘要:

Superconformal indices (SCIs) of 4d ${\mathcal N}=4$ SYM theories with simple gauge groups are described in terms of elliptic hypergeometric integrals. For $F_4, E_6, E_7, E_8$ gauge groups this yields first examples of integrals of such type. S-duality transformation for G_2 and F_4 SCIs is equivalent to a change of integration variables. Equality of SCIs for SP(2N) and SO(2N+1) group theories is proved in several important special cases. Reduction of SCIs to partition functions of 3d $\mathcal{N}=2$ SYM theories with one matter field in the adjoint representation is investigated, corresponding 3d dual partners are found, and some new related hyperbolic beta integrals are conjectured.

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