6d SCFTs, 5d dualities and Tao web diagrams

DOI10.1007/JHEP05(2019)203zbMATH Open1416.81189arXiv1509.03300WikidataQ127761721 ScholiaQ127761721MaRDI QIDQ2315792

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Publication date: 25 July 2019

Published in: (Search for Journal in Brave)

Abstract: We propose 5d descriptions of 6d $calN=(1,0)$ superconformal field theories arising from Type IIA brane configurations with an $O{8}^{-}$-plane. We T-dualize the brane diagram along a compactification circle and obtain a 5-brane web diagram with two $O{7}^{-}$-planes. The gauge theory description of the resulting 5d theory for a given 6d superconformal field theory is not unique, and we argue that the non-uniqueness leads to various dual 5d gauge theories. There are three sources which lead to the 5d dualities. One type comes from either resolving both or one of the two $O{7}^{-}$-planes. The two situations give us two different ways to read off a 5d gauge theory from essentially the same web diagram. The second type originates from different distributions of D5 or D7-branes, shifting the gauge group ranks of the 5d quiver theory. The last one comes from the 90 or 45 degree rotations of the 5-brane web diagram, which is a part of the $SL(2,mathbbZ)$ duality of Type IIB string theory, leading to completely different group structure. These lead to a very rich class of dualities between 5d gauge theories whose UV completion is the same 6d superconformal field theory. We also explore Higgsing of the 6d theories and their 5d counterparts. Decoupling the same flavors from the dual 5d theories gives rise to another dual 5d theories whose UV completion is the same 5d superconformal field theory. Finally we propose the 6d description of 5d theories which is obtained by a generalization of 5d $T_N$ theories with additional flavors, which turns out not to be in the class of Type IIA brane construction generically.

Full work available at URL: https://arxiv.org/abs/1509.03300

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