renormalization by continuous unitary transformations
(CUT, flow equations after F.J. Wegner, Heidelberg) |
| field theoretic descriptions, bosonization |
| Luttinger and Fermi liquid theory |
| static and dynamic density-matrix renormalization group |
| computer aided perturbation theory by means of flow equations |
low-dimensional spin systems
(coupleds spin chains, spin ladders, two-dimensional spin systems) |
| transport in strongly correlated systems (thermal and charge conductivity) |
inelastic light scattering (theory) |
| spin-Peierls systems (e.g. CuGeO3, NaV2O5) |
| single impurity models, Kondo effect |
| spins in nanostructures, quantum dots |
| strongly correlated lattice fermions |
| ferromagnetism |
dynamic mean-field theory (DMFT, limit of high dimensions),
dynamic cluster approximation (DCA) |
| metal-insulator transition |
research
