@article {zhu2020twisted, title = {Twisted trilayer graphene: A precisely tunable platform for correlated electrons}, journal = {Physical review letters}, volume = {125}, number = {11}, year = {2020}, pages = {116404}, publisher = {APS}, doi = {10.1103/PhysRevLett.125.116404}, author = {Zhu, Ziyan and Carr, Stephen and Massatt, Daniel and Luskin, Mitchell and Efthimios Kaxiras} }