Abstract
To date, the best effort made to simply determine the Coulomb branch global symmetry of a theory from a 3d \( \mathcal{N} \) = 4 quiver is by applying an algorithm based on its balanced gauge nodes. This often gives the full global symmetry, but there have been many cases seen where it instead gives only a subgroup. This paper presents a method for constructing several families of 3d \( \mathcal{N} \) = 4 unitary quivers where the true global symmetry is enhanced from that predicted by the balance algorithm, motivated by the study of Coulomb branch Hasse diagrams. This provides a rich list of examples on which to test improved algorithms for unfailingly identifying the Coulomb branch global symmetry from a quiver.
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Gledhill, K., Hanany, A. Coulomb branch global symmetry and quiver addition. J. High Energ. Phys. 2021, 127 (2021). https://doi.org/10.1007/JHEP12(2021)127
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DOI: https://doi.org/10.1007/JHEP12(2021)127