Supergroup Gauged Linear Sigma Models and their Physical Mathematics

Arif Er, Zhangcheng Liu, Meng-Chwan Tan

We construct 2d $\mathcal{N}=(2,2)$ gauged linear sigma models with $\mathrm{U}(1|1{)}^N$ supergauge group possibly with superpotential. Despite being nonunitary, one can still study…