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arXiv 0901.1833hep-th
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刚性曲面算子和S-对偶:一些建议

Rigid surface operators and S-duality: some proposals

Niclas Wyllard

摘要:

本文研究了N=4超对称Yang-Mills理论中的曲面算符,其中规范群为SO(n)和Sp(2n).正如最近所示的古科夫和威滕这些理论有一类刚性表面运营商预计将相关的S-对偶。刚性曲面算子有两种类型:幂单算子和半单算子。我们提出了明确的建议,S-对偶映射应如何作用于单幂曲面算子。我们还讨论了半单曲面算子,并对此类算子的某些子类提出了一些建议。

英文摘要:

We study surface operators in the N=4 supersymmetric Yang-Mills theories with gauge groups SO(n) and Sp(2n). As recently shown by Gukov and Witten these theories have a class of rigid surface operators which are expected to be related by S-duality. The rigid surface operators are of two types, unipotent and semisimple. We make explicit proposals for how the S-duality map should act on unipotent surface operators. We also discuss semisimple surface operators and make some proposals for certain subclasses of such operators.

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