14–17 Jul 2025
Cosener's House
Europe/London timezone

SymTFTs for U(1) symmetries from descent

16 Jul 2025, 17:30
20m
Cosener's House

Cosener's House

15-16 Abbey Cl Abingdon OX14 3JD UK

Speaker

Finn Gagliano (Durham University)

Description

Recently, the notion of symmetry descent has been introduced in order to obtain the (d+1)-dimensional Symmetry TFT (SymTFT) of a d-dimensional QFT from the edge mode behaviour of a theory in (d+2)-dimensions. This method has so far been used to obtain SymTFTs for discrete higher-form symmetries of geometrically engineered QFTs. In this note, we extend the symmetry descent procedure to obtain SymTFTs for U(1) higher-form symmetries of geometrically engineered QFTs. We find the resulting SymTFTs match those in the works of Antinucci-Benini and Brennan-Su.

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