Author(s): Yang Feng, Xiao Feng, Yunbo Ou, Jing Wang, Chang Liu, Liguo Zhang, Dongyang Zhao, Gaoyuan Jiang, Shou-Cheng Zhang, Ke He, Xucun Ma, Qi-Kun Xue, and Yayu Wang
Conductivity features of thin film topological insulators suggest a profound difference between the quantum hall and anomalous quantum Hall effects.

[Phys. Rev. Lett. 115, 126801] Published Wed Sep 16, 2015