Scaling of the Coulomb blockade

L. W. Molenkamp; Karsten Flensberg

doi:10.1016/0921-4526(95)00611-7

Scaling of the Coulomb blockade

L. W. Molenkamp^*, Karsten Flensberg

^*Corresponding author for this work

Condensed Matter Physics

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.

Original language	English
Journal	Physica B: Condensed Matter
Volume	218
Issue number	1-4
Pages (from-to)	269-271
Number of pages	3
ISSN	0921-4526
DOIs	https://doi.org/10.1016/0921-4526(95)00611-7
Publication status	Published - 1 Feb 1996

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AB - 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.

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Scaling of the Coulomb blockade

Abstract

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