- Journal Article
Rights / licenseCreative Commons Attribution 4.0 International
The cross or soft anomalous dimension matrix describes the renormalization of Wilson loops with a self-intersection and is an important object in the study of infrared divergences of scattering amplitudes. In this paper it is studied for the Maldacena-Wilson loop in N=4 supersymmetric Yang-Mills theory and Euclidean kinematics. We consider both the strong-coupling description in terms of minimal surfaces in AdS5 as well as the weak-coupling side up to the two-loop level. In either case, the coefficients of the cross anomalous dimension matrix can be expressed in terms of the cusp anomalous dimension. The strong-coupling description displays a Gross-Ooguri phase transition and we argue that the cross anomalous dimension is an interesting object to study in an integrability-based approach. Show more
Journal / seriesJournal of High Energy Physics
Pages / Article No.
SubjectAdS-CFT Correspondence; Renormalization group; Supersymmetric Gauge Theory; Wilson; 't Hooft and Polyakov loops
Organisational unit03896 - Beisert, Niklas / Beisert, Niklas
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