Kondo Effect in a Metal with Correlated Conduction Electrons
S. Tornow, V. Zevin, G. Zwicknagl
Abstract
The large-degeneracy expansion for dilute magnetic alloys is extended to account for conduction electrons interactions. Particular attention is paid to the renormalization of the hybridization vertex which affects the low-energy excitations. As a first example, we calculate the enhanced characteristic energy kBT0 in the limit of weakly correlated conduction electrons. The metallic regime with strongly correlated electrons is discussed.
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