Surface versus bulk Dirac state tuning in a three-dimensional topological Dirac semimetal

Madhab Neupane, Su Yang Xu, Nasser Alidoust, Raman Sankar, Ilya Belopolski, Daniel S. Sanchez, Guang Bian, Chang Liu, Tay Rong Chang, Horng Tay Jeng, Baokai Wang, Guoqing Chang, Hsin Lin, Arun Bansil, Fangcheng Chou, M. Zahid Hasan