Kondo effect in complex mesoscopic structures

O. Entin-Wohlman*, A. Aharony, Y. Meir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

46 Scopus citations


We study the Kondo effect of a quantum dot placed in a complex mesoscopic structure. Assuming that electronic interactions are taking place solely on the dot, and focusing on the infinite Hubbard interaction limit, we use a decoupling scheme to obtain an explicit analytic approximate expression for the dot Green function, which satisfies certain Fermi-liquid relations at zero temperature. The details of the complex structure enter into this expression only via the self-energy for the noninteracting case. The effectiveness of the expression is demonstrated for the single-impurity Anderson model and for the T-shaped network.

Original languageEnglish
Article number035333
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number3
StatePublished - Jan 2005


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