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On 1/2-BPS Wilson-'t Hooft loops

Bin Chen, Wei He

hep-tharXiv:hep-th/0607024

Abstract

We investigate the 1/2-BPS Wilson-'t Hooft loops in N=4 Super-Yang-Mills theory. We use the bulk D-brane with both electric and magnetic charges to calculate the all genus contribution of the circular loops. The expectation value of Wilson-'t Hooft loops are in perfect agreement with the result through supersymmetric condition and duality transformation in the gauge theory.

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