1. Department
of Physics and Engineering Physics, University of Saskatchewan, 116
Science Place, Saskatoon, Saskatchewan S7N 5E2, Canada
2. School
of Computational Sciences, Korea Institute for Advanced Study (KIAS), Hoegiro 87, Dongdaemun-Gu, Seoul, 130-722, Korean Republic
3. Institute
of Metal Physics, Russian Academy of Sciences−Ural Division, 620990 Yekaterinburg, Russia
4. Ural Federal University, 620002 Yekaterinburg, Russia
5. Shenzhen
Graduate School, Harbin Institute of Technology, Shenzhen 518055, P.R. China
6. Institute
of Electrophysics, Russian Academy of Sciences−Ural Division, 620016 Yekaterinburg, Russia