@article {Benjamin:2020swg,
	title = {Twist gap and global symmetry in two dimensions},
	journal = {Phys. Rev.},
	volume = {D101},
	year = {2020},
	pages = {106026},
	doi = {10.1103/PhysRevD.101.106026},
	author = {Benjamin, Nathan and Ooguri, Hirosi and Shao, Shu-Heng and Wang, Yifan}
}
