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Intersecting surface defects and instanton partition functions
2017
Journal of High Energy Physics
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We analyze intersecting surface defects inserted in interacting four-dimensional N = 2 supersymmetric quantum field theories. We employ the realization of a class of such systems as the infrared fixed points of renormalization group flows from larger theories, triggered by perturbed Seiberg-Witten monopole-like configurations, to compute their partition functions. These results are cast into the form of a partition function of 4d/2d/0d coupled systems. Our computations provide concrete
doi:10.1007/jhep07(2017)073
fatcat:oak63kkdpbaipc7lccl34rm3hm