1. School of Science, Xi’an University of Architecture and Technology, Xi’an 710055, China
2. School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi’an 710072, China
3. Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518057, China
4. Institute of Theoretical Chemistry, Ulm University, 89081 Ulm, Germany
5. School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
6. Department of Physics, RPTU Kaiserslautern-Landau, P.O. Box 3049, Kaiserslautern 67663, Germany