1. Condensed Matter Theory Group
2. Materials Theory Division
3. Department of Physics and Astronomy
4. Uppsala University
5. 75120 Uppsala
6. Applied Materials Physics
7. Department of Materials and Engineering
8. Royal Institute of Technology (KTH)
9. S-100 44 Stockholm
10. Sweden
11. Institute of Natural Sciences and Mathematics
12. South Ural State University
13. Chelyabinsk 454080
14. Russia