280 citations · 837 across the 17 of their papers we have counts for
5 papers · 1 filter
Non-Invertible Gauss Law and Axions
Yichul Choi, Ho Tat Lam, Shu-Heng Shao
In axion-Maxwell theory at the minimal axion-photon coupling, we find non-invertible 0- and 1-form global symmetries arising from the naive shift and center symmetries. Since the G…
Non-invertible Time-reversal Symmetry
Yichul Choi, Ho Tat Lam, Shu-Heng Shao
In gauge theory, it is commonly stated that time-reversal symmetry only exists at or for a -periodic -angle. In this paper, we point out that in both the free Maxw…
Non-invertible Global Symmetries in the Standard Model
Yichul Choi, Ho Tat Lam, Shu-Heng Shao
We identify infinitely many non-invertible generalized global symmetries in QED and QCD for the real world in the massless limit. In QED, while there is no conserved Noether curren…
Higher Berry Phase of Fermions and Index Theorem
Yichul Choi, Kantaro Ohmori
When a quantum field theory is trivially gapped, its infrared fixed point is an invertible field theory. The partition function of the invertible field theory records the response…
Non-invertible Condensation, Duality, and Triality Defects in 3+1 Dimensions
Yichul Choi, Clay Cordova, Po-Shen Hsin +2
We discuss a variety of codimension-one, non-invertible topological defects in general 3+1d QFTs with a discrete one-form global symmetry. These include condensation defects from h…