Affiliation: | College of Physics & Information Engineering, Henan Normal University, Xinxiang 453007, China; Department of Physics & Electronic Information, Luoyang Normal College, Luoyang 471022, China;College of Physics & Information Engineering, Henan Normal University, Xinxiang 453007, China; Department of Physics & Electronic Information, Luoyang Normal College, Luoyang 471022, China;College of Physics & Information Engineering, Henan Normal University, Xinxiang 453007, China |