Infrared nano-imaging of Dirac magnetoexcitons in graphene

Michael Dapolito, Makoto Tsuneto, Wenjun Zheng, Lukas Wehmeier, Suheng Xu, Xinzhong Chen, Jiacheng Sun, Zengyi Du, Yinming Shao, Ran Jing, Shuai Zhang, Adrien Bercher, Yinan Dong, Dorri Halbertal, Vibhu Ravindran, Zijian Zhou, Mila Petrovic, A. Gozar, G. L. Carr, Qiang Li, Alexey B. Kuzmenko, M. M. Fogler, D. N. Basov, Xu Du, Mengkun Liu