[1]Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;
[1]Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;
[1]Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;
[2]School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China;
[2]School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing 210044, China;
[3]College of Physics and Information Engineering, Shanxi Normal University, Linfen 041004, China;
[1]Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;