[1] Peking Univ, Int Ctr Quantum Mat, Sch Phys, Beijing 100871, Peoples R China
[2] Peking Univ, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R China
[3] Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China
[4] Southern Univ Sci & Technol, Shenzhen Inst Quantum Sci & Engn, Shenzhen 518055, Peoples R China
[5] Beijing Acad Quantum Informat Sci, Beijing 100193, Peoples R China
[6] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Div, Upton, NY 11973 USA
[7] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
[8] Peking Univ, Interdisciplinary Inst Light Element Quantum Mat, Res Ctr Light Element Adv Mat, Beijing 100871, Peoples R China
[9] Fudan Univ, Inst Nanoelect Devices & Quantum Comp, Shanghai 200433, Peoples R China
[10] Hefei Natl Lab, Hefei 230088, Peoples R China