Dominant 1/3-filling correlated insulator states and orbital geometric frustration in twisted bilayer graphene
Haidong Tian, Emilio Codecido, Dan Mao, Kevin Zhang, Shi Che, Kenji Watanabe, Takashi Taniguchi, Dmitry Smirnov, Eun-Ah Kim, Marc Bockrath, Chun Ning Lau.