“Photovoltaic infrared photoresponse of the high-mobility graphene quantum Hall system due to cyclotron resonance”
S. Masubuchi, M. Onuki, M. Arai, T. Yamaguchi, K. Watanabe, T. Taniguchi, and T. Machida
Phys. Rev. B 88, 121402(R) (2013)
DOI:10.1103/PhysRevB.88.121402