4.4 Article

Deformations of surface defect moduli spaces

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP10(2021)035

Keywords

Conformal Field Theory; Supersymmetric Gauge Theory; Field Theories in Lower Dimensions

Funding

  1. NSF [DMS-2005312, DMS-1711692, DMS-1440140]

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In a 4d N = 2 superconformal theory with an N = (2, 2) superconformal surface defect, a marginal perturbation of the bulk theory induces a complex structure deformation of the defect moduli space. This deformation can be computed using the bulk-defect OPE.
Given a 4d N = 2 superconformal theory with an N = (2, 2) superconformal surface defect, a marginal perturbation of the bulk theory induces a complex structure deformation of the defect moduli space. We describe a concrete way of computing this deformation using the bulk-defect OPE.

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