1. Department of Computational PhysicsInstitute of Modern Physics of Chinese Academy of SciencesLanzhou730000People's Republic of China
2. Department of PhysicsGraduate School of Chinese Academy of SciencesBeijing100049People's Republic of China
3. Department of Internal MedicineCollege of MedicineHunan Normal UniversityChangsha410006People's Republic of China
4. College of Electrical EngineeringNorthwest University for NationalitiesLanzhou730030People's Republic of China