| Affiliation: | National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China , Department of Physics, Qufu Normal University, Qufu 273165, Shandong Province, China National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China , Department of Physics, Guangxi University, Nanning 530004, China National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China |
