Key result
The authors refined their previous proposal for systematically classifying 4d rank-1 N=2 SCFTs by constructing their possible Coulomb branch geometries, identifying at least four additional rank-1 SCFTs.
This theoretical physics paper expands the classification of 4d rank-1 N=2 superconformal field theories.
Extends rank-1 N=2 SCFT classification with new candidates; leaves open consistency checks and completeness.
We refine our previous proposal for systematically classifying 4d rank-1 N=2 SCFTs by constructing their possible Coulomb branch geometries. Four new recently discussed rank-1 theories, including novel N=3 SCFTs, sit beautifully in our refined classification framework. By arguing for the consistency of their RG flows we can make a strong case for the existence of at least four additional rank-1 SCFTs, nearly doubling the number of known rank-1 SCFTs. The refinement consists of relaxing the assumption that the flavor symmetries of the SCFTs have no discrete factors. This results in an enlarged (but finite) set of possible rank-1 SCFTs. Their existence can be further constrained using consistency of their central charges and RG flows.
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Argyres et al. (2016) studied N=2 rank 1 SCFTs. The authors refined their previous proposal for systematically classifying 4d rank-1 N=2 SCFTs by constructing their possible Coulomb branch geometries, identifying at least four additional rank-1 SCFTs.
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