1. Department of Physics, School of Science, Harbin University of Science and Technology, Harbin 150080, China
2. Heilongjiang Provincial Key Laboratory of Quantum Manipulation & Control, Harbin University of Science and Technology, Harbin 150080, China
3. School of Chemical and Environmental Engineering, Harbin University of Science and Technology, Harbin 150040, China
4. Condensed Matter Science and Technology Institute, The school of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China