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

L. W Molenkamp; Karsten Flensberg; M. Kemerink

doi:10.1103/PhysRevLett.75.4282

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 language	English
Journal	Physical Review Letters
Volume	75
Issue number	23
Pages (from-to)	4282-4285
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.75.4282
Publication status	Published - 1995

Bibliographical note

Copyright (1995) American Physical Society.

Keywords

CONDUCTANCE
OSCILLATIONS
BLOCKADE

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AU - Kemerink, M.

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AB - 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.

KW - CONDUCTANCE

KW - OSCILLATIONS

KW - BLOCKADE

U2 - 10.1103/PhysRevLett.75.4282

DO - 10.1103/PhysRevLett.75.4282

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JO - Physical Review Letters

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

Abstract

Bibliographical note

Keywords

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