Affiliation: | School of Mathematics and Physics, Anhui University of Technology, Maanshan 243000, China; Institute of Solid State Physics, Shanxi Datong University, Datong 037009, China;School of Mathematics and Physics, Anhui University of Technology, Maanshan 243000, China;Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092, China;Institute of Solid State Physics, Shanxi Datong University, Datong 037009, China; Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092, China |