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arXiv 2103.10440hep-thmath-phmath.MP
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强耦合下$\mathcal{N}=4$ SYM中半BPS线缺陷PDKEEPAAA的自举

Bootstrapping the half-BPS line defect CFT in $\mathcal{N}=4$ SYM at strong coupling

Pietro Ferrero, Carlo Meneghelli

摘要:

本文考虑平面$\mathcal{N}=4$ super Yang-Mills中半BPS Wilson线所定义的一维连续傅里叶变换。利用解析Bootstrap方法,导出了超位移算子在强耦合展开式下的四阶四点函数。通过AdS/CFT,这对应于AdS中计算的第一个三环相关器。要做到这一点,我们解决的运营商混合问题,考虑家庭的辅助搅拌机。我们进一步提取了最轻的非保护算子的反常维数,并发现与Grabner,Gromov和Julius基于可积性的数值结果一致。

英文摘要:

We consider the 1d CFT defined by the half-BPS Wilson line in planar $\mathcal{N}=4$ super Yang-Mills. Using analytic bootstrap methods we derive the four-point function of the super-displacement operator at fourth order in a strong coupling expansion. Via AdS/CFT, this corresponds to the first three-loop correlator in AdS ever computed. To do so we address the operator mixing problem by considering a family of auxiliary correlators. We further extract the anomalous dimension of the lightest non-protected operator and find agreement with the integrability-based numerical result of Grabner, Gromov and Julius.

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