Institution: | College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China;College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China;College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China;College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China;College of Physics and Information Engineering, Henan Normal University, Xinxiang 453007, China |