Scaling of the Coulomb blockade

L. W. Molenkamp*, Karsten Flensberg

*Corresponding author af dette arbejde

Abstract

We describe two experiments to study the influence of fluctuations in the electron charge on the transport properties of a quantum dot. First, we scan a device from single-to double quantum-dot behavior by varying the conductance of a connecting point contact. Second, we measure the dependence of the charging energy on the conductance of the barriers. The experiments are compared with traces obtained from a modeling that assumes a scaling behavior of the charging energy. Good agreement is obtained.

OriginalsprogEngelsk
TidsskriftPhysica B: Condensed Matter
Vol/bind218
Udgave nummer1-4
Sider (fra-til)269-271
Antal sider3
ISSN0921-4526
DOI
StatusUdgivet - 1 feb. 1996

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