paper

Bootstrapping the half-BPS line defect CFT in SYM at strong coupling

arXiv:2103.10440 · doi:10.1103/PhysRevD.104.L081703

Abstract

We consider the 1d CFT defined by the half-BPS Wilson line in planar 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.

Minor corrections, matches published version

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