Title: 2-groups in 5d and 6d theories
Spkeaker: Fabio Apruzzi (Albert Einstein Center for Fundamental Physics, University of Bern)
Time: 15:00-16:00, Tuesday, November 16th, 2021 (UTC+8, Beijing Time)
Inviter: Marcus Sperling
Abstract
I will discuss 2-group symmetries in 5d and 6d theories, with a particular focus on superconformal field theories (SCFTs). These symmetries arise when the discrete 1-form symmetry and continuous flavor symmetry group of a theory mix with each other under group multiplication. I will first introduce some general aspects about 2-groups. I will then describe how the 2-group symmetry appears in a specific locus of the extended Coulomb branch of the 5d N=1 SU(2) theory at 0 theta angle. More examples of 2-groups in 5d will be provided, where a notion of perturbative and non-perturbative 2-group can be introduced. Finally, I will discuss the classification of 6d theories with 2-group symmetries.
The seminar will be broadcasted online by Zoom.
Interested people are free to join without registration in advance.
The Zoom info is
URL: https://us02web.zoom.us/j/3854420225?pwd=SXY4eWJKOTBFZWJDaE16aXpTamY1QT09
Meeting ID: 385 442 0225
Passcode: yauc
