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3d $N=2$ theories from M-theory on CY4 and IIB brane box by Najjar, Marwan; Tian, Jiahua; Wang, Yi-Nan is a scholarly article available to read on EtoBox.

What is 3d $N=2$ theories from M-theory on CY4 and IIB brane box about?

We study 3D $N=2$ supersymmetric field theories geometrically engineered from M-theory on non-compact Calabi-Yau fourfolds (CY4). We establish a detailed dictionary between the geometry and topology of non-compact CY4 and the physics of 3D $N=2$ theories in three different regimes. The first one is the Coulomb branch description when the CY4 is smooth. The second one is non-abelian gauge theory when the CY4 has a degenerate $\mathbb{P}^1$-fibration structure. The third one is the strongly coupled SCFT from a CY4 singularity. We find interesting flavor symmetry enhancements in the singular limit of CY4, as well as an interesting and previously unexplored phenomenon in 3D, termed ``flavor symmetry duality''. Many examples are analyzed with an emphasis on toric CY4s and $\mathbb{C}^4$ orbifolds with crepant resolutions. We develop a new brane box method to study the physics of Coulomb branch of 3D $N=2$ theory that admits a toric construction. Via IIB/M-theory duality we find that the brane box diagram living in $\mathbb{R}^3$ can be physically realized as a configuration of intersecting 4-branes which are extended objects in 8D maximal supersymmetric theory, which is shown to be cons

Author

Najjar, Marwan; Tian, Jiahua; Wang, Yi-Nan

Published

2023

Language

EN