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Abstract: We study surface operators in the N=4 supersymmetric Yang-Mills theories withgauge groups SOn and Sp2n. As recently shown by Gukov and Witten thesetheories have a class of rigid surface operators which are expected to berelated by S-duality. The rigid surface operators are of two types, unipotentand semisimple. We make explicit proposals for how the S-duality map should acton unipotent surface operators. We also discuss semisimple surface operatorsand make some proposals for certain subclasses of such operators.



Autor: Niclas Wyllard

Fuente: https://arxiv.org/







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