用曲面算子探测N=4 SYM
Probing N=4 SYM With Surface Operators
摘要：
本文研究了N=4超对称Yang-Mills理论中的曲面算子。我们计算了表面算子的观测量，如表面算子的期望值，表面算子与局部算子的关联函数，表面算子与Wilson和t Hooft环的关联函数。计算使用了三种不同的表面算符实现，分别对应于规范理论的路径积分定义、AdS_5xS^5中的探针膜描述和表面算符的“冒泡”超引力描述。我们发现使用三种不同的实现进行不同的计算之间的显着协议。
英文摘要：
In this paper we study surface operators in N=4 supersymmetric Yang-Mills theory. We compute surface operator observables, such as the expectation value of surface operators, the correlation function of surface operators with local operators, and the correlation function of surface operators with Wilson and 't Hooft loops. The calculations are performed using three different realizations of surface operators, corresponding respectively to the gauge theory path integral definition, the probe brane description in AdS_5xS^5 and the "bubbling'' supergravity description of surface operators. We find remarkable agreement between the different calculations performed using the three different realizations.
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