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Correlated electron systems with antiferromagnetic spin interaction

Schmidt, Holger

Abstract:
In the first part of this thesis we extend and apply the functional
renormalization group method to the nonequilibrium Kondo dot model.
The main emphasis is based on the question how decoherence rates
are incorporated in a systematic way in a renormalization group procedure. Further we calculate the conductance through the Kondo dot.
In the second part we develop and single out a spin wave theory to describe spin-stripes in certain high-TC copper oxide compounds.


Volltext §
DOI: 10.5445/IR/1000013664
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Theorie der Kondensierten Materie (TKM)
Publikationstyp Hochschulschrift
Publikationsjahr 2009
Sprache Englisch
Identifikator urn:nbn:de:swb:90-136643
KITopen-ID: 1000013664
Verlag Universität Karlsruhe (TH)
Art der Arbeit Dissertation
Fakultät Fakultät für Physik (PHYSIK)
Institut Institut für Theorie der Kondensierten Materie (TKM)
Prüfungsdaten 23.10.2009
Referent/Betreuer Prof. P. Wölfle
Schlagwörter Strongly correlated electron systems, nonequilibrium Kondo effect, functional renormalization group, High-TC superconductivity, magnons
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