On the crossing relation in the presence of defects
On the crossing relation in the presence of defects
复制标题
存在缺陷时的交叉关系
DOI：
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
V. Petkova
中科院分区：
文献类型：
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作者：
V. Petkova
在有理 CFT 和 c > 25 Virasoro (Liouville) 理论中都考虑了存在缺陷线时局部算子的 OPE。显式计算带有插入缺陷算子的 4 点函数的对偶变换。相关器的两个通道再现了 Wilson 和 't Hooft 算子的期望值，最近在刘维尔理论中与 AGT 猜想相关的讨论。
The OPE of local operators in the presence of defect lines is considered both in the rational CFT and the c > 25 Virasoro (Liouville) theory. The duality transformation of the 4-point function with inserted defect operators is explicitly computed. The two channels of the correlator reproduce the expectation values of the Wilson and ’t Hooft operators, recently discussed in Liouville theory in relation to the AGT conjecture.