Journal of High Energy Physics (Oct 2021)
Deformations of surface defect moduli spaces
Abstract
Abstract Given a 4d N $$ \mathcal{N} $$ = 2 superconformal theory with an N $$ \mathcal{N} $$ = (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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