Higher form symmetries TFT in 6d

Abstract Symmetries and anomalies of a d-dimensional quantum field theory are often encoded in a (d + 1)-dimensional topological action, called symmetry topological field theory (TFT). We derive the symmetry TFT for the 2-form and 1-form symmetries of 6d (1, 0) field theories, focusing on theories w...

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Main Author: Fabio Apruzzi
Format: Article
Language:English
Published: SpringerOpen 2022-11-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP11(2022)050
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author Fabio Apruzzi
author_facet Fabio Apruzzi
author_sort Fabio Apruzzi
collection DOAJ
description Abstract Symmetries and anomalies of a d-dimensional quantum field theory are often encoded in a (d + 1)-dimensional topological action, called symmetry topological field theory (TFT). We derive the symmetry TFT for the 2-form and 1-form symmetries of 6d (1, 0) field theories, focusing on theories with a single tensor multiplet (rank 1). We implement this by coupling the low-energy tensor branch action to the background fields for the higher-form symmetries and by looking at the symmetry transformation rules on dynamical and background fields. These transformation rules also imply a mixing of the higher-form symmetries in a 3-group structure. For some specific and related higher rank cases, we also derive the symmetry TFT from the holographic dual IIA supergravity solutions. The symmetry TFT action contains a coupling between the 2-form symmetry and the 1-form symmetry backgrounds, which leads to a mixed anomaly between the 1-form symmetries of the 5d KK-theory obtained by circle compactification. We confirm this by a pure 5d analysis provided by the 5d effective low-energy Coulomb branch Lagrangian coupled to background fields. We also derive the symmetry TFT for 5d SU(p) supersymmetric gauge theories with Chern-Simons level q and for 5d theories without non-abelian gauge theory description at low-energy. Finally, we discuss the fate of the 2-form and 1-form symmetry of rank 1 6d field theories when coupled to gravity.
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spelling doaj.art-0e537c80e2564187831f1bc730ee10652023-03-22T10:15:52ZengSpringerOpenJournal of High Energy Physics1029-84792022-11-0120221112010.1007/JHEP11(2022)050Higher form symmetries TFT in 6dFabio Apruzzi0Albert Einstein Center for Fundamental Physics, Institute for Theoretical Physics, University of BernAbstract Symmetries and anomalies of a d-dimensional quantum field theory are often encoded in a (d + 1)-dimensional topological action, called symmetry topological field theory (TFT). We derive the symmetry TFT for the 2-form and 1-form symmetries of 6d (1, 0) field theories, focusing on theories with a single tensor multiplet (rank 1). We implement this by coupling the low-energy tensor branch action to the background fields for the higher-form symmetries and by looking at the symmetry transformation rules on dynamical and background fields. These transformation rules also imply a mixing of the higher-form symmetries in a 3-group structure. For some specific and related higher rank cases, we also derive the symmetry TFT from the holographic dual IIA supergravity solutions. The symmetry TFT action contains a coupling between the 2-form symmetry and the 1-form symmetry backgrounds, which leads to a mixed anomaly between the 1-form symmetries of the 5d KK-theory obtained by circle compactification. We confirm this by a pure 5d analysis provided by the 5d effective low-energy Coulomb branch Lagrangian coupled to background fields. We also derive the symmetry TFT for 5d SU(p) supersymmetric gauge theories with Chern-Simons level q and for 5d theories without non-abelian gauge theory description at low-energy. Finally, we discuss the fate of the 2-form and 1-form symmetry of rank 1 6d field theories when coupled to gravity.https://doi.org/10.1007/JHEP11(2022)050Anomalies in Field and String TheoriesField Theories in Higher DimensionsGlobal SymmetriesTopological Field Theories
spellingShingle Fabio Apruzzi
Higher form symmetries TFT in 6d
Journal of High Energy Physics
Anomalies in Field and String Theories
Field Theories in Higher Dimensions
Global Symmetries
Topological Field Theories
title Higher form symmetries TFT in 6d
title_full Higher form symmetries TFT in 6d
title_fullStr Higher form symmetries TFT in 6d
title_full_unstemmed Higher form symmetries TFT in 6d
title_short Higher form symmetries TFT in 6d
title_sort higher form symmetries tft in 6d
topic Anomalies in Field and String Theories
Field Theories in Higher Dimensions
Global Symmetries
Topological Field Theories
url https://doi.org/10.1007/JHEP11(2022)050
work_keys_str_mv AT fabioapruzzi higherformsymmetriestftin6d