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Coulomb and Higgs Branches from Canonical Singularities: Part 0

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arxiv 2007.15600 v5 pith:J7SJKJ25 submitted 2020-07-30 hep-th

Coulomb and Higgs Branches from Canonical Singularities: Part 0

classification hep-th
keywords singularitiestheoriestypehiggsscftsargyres-douglasbranchescanonical
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Five- and four-dimensional superconformal field theories with eight supercharges arise from canonical threefold singularities in M-theory and Type IIB string theory, respectively. We study their Coulomb and Higgs branches using crepant resolutions and deformations of the singularities. We propose a relation between the resulting moduli spaces, by compactifying the theories to 3d, followed by 3d $\mathcal{N}=4$ mirror symmetry and an $S$-type gauging of an abelian flavor symmetry. In particular, we use this correspondence to determine the Higgs branch of some 5d SCFTs and their magnetic quivers from the geometry. As an application of the general framework, we observe that singularities that engineer Argyres-Douglas theories in Type IIB also give rise to rank-0 5d SCFTs in M-theory. We also compute the higher-form symmetries of the 4d and 5d SCFTs, including the one-form symmetries of generalized Argyres-Douglas theories of type $(G, G')$.

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