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A Tunable Kondo Effect in Quantum Dots | | Sara M. Cronenwett
; Tjerk H. Oosterkamp
; Leo P. Kouwenhoven
; | | Date: |
20 Apr 1998 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Abstract: | We demonstrate a tunable Kondo effect realized in small quantum dots. We can switch our dot from a Kondo impurity to a non-Kondo system as the number of electrons on the dot is changed from odd to even. We show that the Kondo temperature can be tuned by means of a gate voltage as a single-particle energy state nears the Fermi energy. Measurements of the temperature and magnetic field dependence of a Coulomb-blockaded dot show good agreement with predictions of both equilibrium and non-equilibrium Kondo effects. | | Source: | arXiv, cond-mat/9804211 | | Other source: | [GID 201783] pmid9677192 | | Services: | Forum | Review | PDF | Favorites | |
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