Soon after the discovery of quantum mechanics, it became evident that the fundamental obstacle to explaining the properties of solids from first-principles is the description of electronic many-body effects. A crucial step forward was density-functional theory (DFT) and its local-density approximation (LDA). The success of DFT in explaining the physical and chemical properties of solids is so remarkable, that DFT is considered the standard model of solid-state physics. Nevertheless, LDA and its generalizations fail for systems in which electrons lose their individuality and whose low-energy properties are dominated by electron-electron correlations: Mott-insulating transition-metal oxides, Kondo and heavy- fermion materials, organic crystals, and many others. The realistic description of such strongly-correlated materials remains, to date, one of the grand-challenges of condensed matter-physics.
During the last years a major breakthrough came with the development of the LDA+DMFT method. In this approach, conventional ab-initio schemes based on DFT/LDA are combined with a modern many-body approach, the dynamical mean-field theory (DMFT).
The present school aims to introduce students starting from the advanced graduate level to this state-of-the-art approach.
| Tue 4 Oct | Wed 5 Oct | Thu 6 Oct | Fri 7 Oct | |
|---|---|---|---|---|
| 09:00 | Correlations & DMFT D. Vollhardt |
Experiments H. Tjeng |
KKR+DMFT H. Ebert |
GW+DMFT K. Held |
| 10:00 | DFT P. Blöchl |
DMFT M. Kollar |
CDMFT and DF A. Lichtenstein |
Screened U F. Aryasetiawan |
| 11:00 | Coffee Break | |||
| 11:30 | Model Hamiltonians F. Lechermann |
LDA+DMFT E. Pavarini |
Lanczos E. Koch |
Tutorial F. Aryasetiawan |
| 12:30 | Lunch | |||
| 13:30 | Wannier Functions J. Kunes |
HF-QMC N. Blümer |
CT-QMC P. Werner |
Tutorial F. Aryasetiawan |
| 14:30 | Break | |||
| 15:00 | Tutorial J. Kunes |
Tutorial N. Blümer |
Tutorial P. Werner |
15:30 close 16:00 Bus to Aachen |
| 18:00 | Bus to Aachen | |||
The lecture notes have been published as a book:
Eva Pavarini, Erik Koch, Dieter Vollhardt, and Alexander Lichtenstein
The LDA+DMFT approach to strongly correlated materials
Verlag des Forschungszentrum Jülich, 2011
Reihe Modeling and Simulation, Vol. 1
ISBN 978-3-89336-734-4
