Scaling of the Coulomb Energy Due to Quantum Fluctuations in the Charge on a Quantum Dot

L. W Molenkamp, Karsten Flensberg, M. Kemerink

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    Abstract

    The charging energy of a quantum dot is measured through the effect of its potential on the conductance of a second dot. This technique allows a measurement of the scaling of the dot's charging energy with the conductance of the tunnel barriers leading to the dot. We find that the charging energy scales quadratically with the reflection probability of the barriers. The observed power law agrees with a recent theory.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume75
    Issue number23
    Pages (from-to)4282-4285
    ISSN0031-9007
    DOIs
    Publication statusPublished - 1995

    Bibliographical note

    Copyright (1995) American Physical Society.

    Keywords

    • CONDUCTANCE
    • OSCILLATIONS
    • BLOCKADE

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