Chiral Majorana fermion modes on the surface of superconducting topological insulatorsChing-Kai Chiu, Guang Bian, Hao Zheng, Jia-Xin Yin, Songtian S. Zhang, D. S. Sanchez, I. Belopolski, Su-Yang Xu and M. Zahid HasanEPL, 123 4 (2018) 47005DOI: https://doi.org/10.1209/0295-5075/123/47005