Abstract
We carry out a systematic study of 4d \( \mathcal{N} \) = 2 preserving S-folds of F-theory 7-branes and the worldvolume theories on D3-branes probing them. They consist of two infinite series of theories, which we denote following [1, 2] by \( {\mathcal{S}}_{G,\mathrm{\ell}}^{(r)} \) for ℓ = 2, 3, 4 and \( {\mathcal{T}}_{G,\mathrm{\ell}}^{(r)} \) for ℓ = 2, 3, 4, 5, 6. Their distinction lies in the discrete torsion carried by the S-fold and in the difference in the asymptotic holonomy of the gauge bundle on the 7-brane. We study various properties of these theories, using diverse field theoretical and string theoretical methods.
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Giacomelli, S., Martone, M., Tachikawa, Y. et al. More on \( \mathcal{N} \) =2 S-folds. J. High Energ. Phys. 2021, 54 (2021). https://doi.org/10.1007/JHEP01(2021)054
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DOI: https://doi.org/10.1007/JHEP01(2021)054