Exact eigenstates and transmission for two interacting electrons on quantum dots

A. Aharony, O. Entin-Wohlman, Y. Levinson, Y. Imry

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

The eigenstates and the scattering transmission for two interacting electrons are found exactly for I quantum dots, including the hybridization with the states on the leads. The results imply limitations on the validity of the Coulomb blockade picture. The ground states for I = 1, 2 on a one-dimensional chain (modelling single and double quantum dots) exhibit quantum delocalization and magnetic transitions. The effective transmission T of two interacting electrons through one impurity (I = 1) is enhanced by a renormalization of the repulsive interaction, when one of the electrons is captured in a strongly localized state.

Original languageEnglish
Pages (from-to)685-690
Number of pages6
JournalAnnalen der Physik
Volume8
Issue number7
DOIs
StatePublished - 1 Dec 1999
Externally publishedYes
EventProceedings of the LOCALIZATION 1999 International Conference on 'Disorder and Interaction in Transport Phenomena' - Hamburg, Ger
Duration: 29 Jul 19993 Aug 1999

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