Correlators of supersymmetric Wilson loops at weak and strong coupling

Details Correlators of supersymmetric Wilson loops at weak and strong coupling Correlators of supersymmetric Wilson loops at weak and strong coupling

2009-12-30

arxiv.org/abs/0912.5440v1

JHEP 1003:038,2010

Physics

High Energy Physics

High Energy Physics - Theory

34 pages, 16 figures

Scientific paper

10.1007/JHEP03(2010)038

We continue our study of the correlators of a recently discovered family of BPS Wilson loops in N=4 supersymmetric U(N) Yang-Mills theory. We perform explicit computations at weak coupling by means of analytical and numerical methods finding agreement with the exact formula derived from localization. In particular we check the localization prediction at order g^6 for different BPS "latitude" configurations, the N=4 perturbative expansion reproducing the expected results within a relative error of 10^(-4). On the strong coupling side we present a supergravity evaluation of the 1/8 BPS correlator in the limit of large separation, taking into account the exchange of all relevant modes between the string world-sheets. While reproducing the correct geometrical dependence, we find that the associated coefficient does not match the localization result.

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