Unconventional valley-dependent optical selection rules and landau level mixing in bilayer graphene
Long Ju, Lei Wang, Xiao Li, Seongphill Moon, Mike Ozerov, Zhengguang Lu, Takashi Taniguchi, Kenji Watanabe, Erich Mueller, Fan Zhang, Dmitry Smirnov, Farhan Rana, Paul L. McEuen.