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arXiv 1107.4609hep-thmath.AG
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ALE空间上的规范理论和超刘维关联函数

Gauge Theories on ALE Space and Super Liouville Correlation Functions

Giulio Bonelli, Kazunobu Maruyoshi, Alessandro Tanzini

摘要:

本文给出了ALE空间O_{P^1}(-2)上N=2超规范理论与N=1超刘维尔共形场论的扩张子之间的关系,并在穿孔球和环面的情况下进行了检验.我们导出了全Nekrasov配分函数的爆破公式,并证明了在U(1)因子之前,N=2^* 瞬子配分函数是由\hat{SU}(2)_2的特征标与环面上的超Virasoro共形块的一个穿刺点的乘积给出的.此外,我们还将微扰规范理论的贡献与超刘维尔三点函数相匹配。

英文摘要:

We present a relation between N=2 quiver gauge theories on the ALE space O_{P^1}(-2) and correlators of N=1 super Liouville conformal field theory, providing checks in the case of punctured spheres and tori. We derive a blow-up formula for the full Nekrasov partition function and show that, up to a U(1) factor, the N=2^* instanton partition function is given by the product of the character of \hat{SU}(2)_2 times the super Virasoro conformal block on the torus with one puncture. Moreover, we match the perturbative gauge theory contribution with super Liouville three-point functions.

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