1. National Collaborative Innovation Center for Nuclear Waste and Environmental Safety
2. Southwest University of Science and Technology
3. Mianyang 621010
4. China
5. Condensed Matter Theory Group
6. Applied Materials Physics
7. Department of Materials and Engineering
8. Royal Institute of Technology (KTH)
9. S-100 44 Stockholm
10. Sweden
11. Materials Theory Division
12. Department of Physics and Astronomy
13. Uppsala University
14. 75120 Uppsala