Charge distribution in a Kondo-correlated quantum dot

D. Sprinzak, Yang Ji, M. Heiblum, D. Mahalu, Hadas Shtrikman

Research output: Contribution to journalArticlepeer-review

Abstract

The direct measurement of charge and its distribution was reported in a Kondo correlated quantum dot (QD). It was revealed by a noninvasive potential-sensitive detector that, although the conductance of the QD was significantly enhanced as it entered in the Kondo regime, the average charge remained unaffected. The separation between spin and charge degrees of freedom was also demonstrated. An abrupt redistribution of charge in the QD, taking place with an onset of Kondo correlation was found under certain conditions. A correlation between the spin and charge degrees of freedom was suggested.

Original languageEnglish
Article number176805
Pages (from-to)1768051-1768054
Number of pages4
JournalPhysical Review Letters
Volume88
Issue number17
StatePublished - 29 Apr 2002
Externally publishedYes

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