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Deconstructing Defects
(Springer, 2019)
We use the exact-deconstruction prescription to lift various squashed-$S^3$ partition functions with supersymmetric-defect insertions to four-dimensional superconformal indices. Starting from three-dimensional circular-quiver ...
Type-B Anomaly Matching and the 6D (2,0) Theory
(Springer Verlag (Germany), 2020)
We study type-B conformal anomalies associated with $\frac{1}{2}$-BPS Coulomb-branch operators in 4D $\mathcal N=2$ superconformal field theories. When the vacuum preserves the conformal symmetry these anomalies coincide ...
(Mis-)Matching Type-B Anomalies on the Higgs Branch
(Springer Verlag (Germany), 2021)
Building on arXiv:1911.05827, we uncover new properties of type-B conformal anomalies for Coulomb-branch operators in continuous families of 4D $\mathcal{N}=2$ SCFTs. We study a large class of such anomalies on the Higgs ...