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TT: Tiefe Temperaturen
TT 30: Superconductivity: Twenty Years High-Tc Cuprates - Recent Progress
TT 30.18: Talk
Thursday, March 30, 2006, 18:30–18:45, HSZ 02
Kondo screening in unconventional superconductors: The role of anomalous propagators — •Lars Fritz and Matthias Vojta — Theorie der Kondensierten Materie, Universitaet Karlsruhe
The Kondo effect in superconductors is frequently investigated using the local quasiparticle density of states as sole bath characteristics, i.e., the presence of anomalous propagators is ignored. We show that this is exact for a number of experimentally relevant situations, including point-like impurities in d-wave superconductors.