Exact results for 't Hooft loops in gauge theories on \(S^4\)
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Publication:332282
DOI10.1007/JHEP05(2012)141zbMATH Open1348.81318arXiv1105.2568MaRDI QIDQ332282
Author name not available (Why is that?)
Publication date: 7 November 2016
Published in: (Search for Journal in Brave)
Abstract: The path integral of a general N=2 supersymmetric gauge theory on S^4 is exactly evaluated in the presence of a supersymmetric 't Hooft loop operator. The result we find - obtained using localization techniques - captures all perturbative quantum corrections as well as non-perturbative effects due to instantons and monopoles, which are supported at the north pole, south pole and equator of S^4. As a by-product, our gauge theory calculations successfully confirm the predictions made for 't Hooft loops obtained from the calculation of topological defect correlators in Liouville/Toda conformal field theory.
Full work available at URL: https://arxiv.org/abs/1105.2568
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