1. Institute of Theoretical Physics, Lanzhou University , Lanzhou 730000 , China
2. Lanzhou Center for Theoretical Physics, Key Laboratory of Theoretical Physics of Gansu Province, Lanzhou University , Lanzhou , Gansu 730000 , China
3. School of Physics and Electronics Science, Hunan University , Changsha 410082 , China
4. School of Information Science and Engineering, Lanzhou University , Lanzhou 730000 , China