Slightly broken higher-spin current in bosonic and fermionic QED in the large-$N$ limit

Zheng Zhou, Yin-Chen He

We study the slightly broken higher-spin currents in various CFTs with $\mathrm{U}(1)$ gauge field, including the tricritical QED, scalar QED, fermionic QED and QED-Gross-Neveu-Yuk…