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arXiv 0704.1657hep-th
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Bubbling曲面算子与S-对偶

Bubbling Surface Operators And S-Duality

Jaume Gomis, Shunji Matsuura

摘要:

我们构造了N=4 SYM中对应于所有半BPS曲面算子的IIB型超引力的光滑渐近AdS_5xS^5解。标记半BPS表面操作符的所有参数在相应的鼓泡几何中被识别。本文利用表面算符的超引力描述研究了N=4 SYM的SL(2,Z)对偶群对表面算符参数的作用,发现这与Gukov和Witten最近在规范理论框架下对几何Langlands的分歧的讨论是一致的.我们还表明,每当一个冒泡的几何变得奇异的路径积分描述相应的表面操作也变得奇异。

英文摘要:

We construct smooth asymptotically AdS_5xS^5 solutions of Type IIB supergravity corresponding to all the half-BPS surface operators in N=4 SYM. All the parameters labeling a half-BPS surface operator are identified in the corresponding bubbling geometry. We use the supergravity description of surface operators to study the action of the SL(2,Z) duality group of N=4 SYM on the parameters of the surface operator, and find that it coincides with the recent proposal by Gukov and Witten in the framework of the gauge theory approach to the geometrical Langlands with ramification. We also show that whenever a bubbling geometry becomes singular that the path integral description of the corresponding surface operator also becomes singular.

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