Abstract
We consider a known sequence of dualities involving 4d mathcal{N} = 1 theories with Spin(n) gauge groups and use it to construct a new sequence of models exhibiting IR symmetry enhancement. Then, motivated by the observed pattern of IR symmetries we conjecture six-dimensional theories the compactification of which on a Riemann surface yields the 4d sequence of models along with their symmetry enhancements, and put them to several consistency checks.
Highlights
We review some of the ingredients and previous results needed for the analysis in this paper
We consider a known sequence of dualities involving 4d N = 1 theories with Spin(n) gauge groups and use it to construct a new sequence of models exhibiting IR symmetry enhancement
That we have found the 6d theories, we conjecture that the combined effect of compactifying them on a torus with fluxes and adding an appropriate relevant deformation yields the expected 4d theories in which the SU(2n) part of the 6d global symmetry is broken to SU(n)2 × U(1) (and in the n = 2 case one of the SU(2)s is further broken to U(1)) and the E9−n part is broken to the commutant of SU(2) in it
Summary
We review some of the ingredients and previous results needed for the analysis in this paper. We begin in subsection 2.1 with a review of the superconformal index and its properties that will be used repeatedly in later sections. We continue in subsection 2.2 with recalling some of the results presented recently in [4] which will be relevant for our discussion
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