| Affiliation: | 1. Institut für Theorie der Kondensierten Materie, Karlsruhe Institute of Technology, D-76131 Karlsruhe, Germany;2. Landau Institute for Theoretical Physics, acad. Semyonov av., 1a, 142432, Chernogolovka, Russia;3. Moscow Institute of Physics and Technology, 141700, Dolgoprudny, Russia;4. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe shosse 31, 115409 Moscow, Russia;5. Institut für Theoretische Festkörperphysik, Karlsruhe Institute of Technology, D-76131 Karlsruhe, Germany;6. Institut für Nanotechnologie, Karlsruhe Institute of Technology, D-76021 Karlsruhe, Germany |
