Speaker
Mr
Edoardo Vescovi
(Humboldt-Universität zu Berlin)
Description
We study the strong coupling behaviour of 1/4 BPS latitude Wilson loops in N=4 SYM theory, computing the one-loop corrections to the relevant classical string solution in AdS5xS5 in sigma-model perturbation theory.
The approach is based on the application of the Gel’fand-Yaglom method to compute the relevant functional determinants for the fluctuations of the type IIB Green-Schwarz action expanded around the minimal-area surface. We normalize the vev of the Wilson loops with respect to the 1/2 BPS circular case to circumvent the problem of determining the correct overall constant contribution from the normalization of ghost zero modes. We find a discrepancy with the result obtained via supersymmetric localization in the gauge theory and discuss some issues that might be responsible for this outcome.
Primary author
Mr
Edoardo Vescovi
(Humboldt-Universität zu Berlin)
Co-authors
Prof.
Domenico Seminara
(University of Florence)
Prof.
Luca Griguolo
(University of Parma)
Dr
Valentina Forini
(Humboldt-Universität zu Berlin)
Dr
Valentina Giangreco Marotta Puletti
(University of Iceland, Science Institute)
