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Tuning of tunneling rates in quantum dots using a quantum point contact

Rogge, M. C. and Fricke, C. and Harke, B. and Hohls, F. and Haug, R. J. and Wegscheider, Werner (2006) Tuning of tunneling rates in quantum dots using a quantum point contact. Physica E Low-dimensional Systems and Nanostructures 34 (1-2), pp. 500-503.

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Abstract

We study the influence of asymmetric tunneling rates of a lateral quantum dot connected to source and drain leads. We use a quantum point contact (QPC) to detect charging events on the dot. Since the mean charge depends on the ratio of the tunneling rates the QPC can be used to detect symmetric configurations where both rates are equal. Thus, the transport properties of the dot can be ...

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Item Type:Article
Date:August 2006
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1016/j.physe.2006.03.022DOI
Classification:
NotationType
73.63.Kv; 73.23.Hk; 72.20.MyPACS
Keywords:Quantum dots; Quantum point contact; Charge detection; Tunneling rates; Excited states
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:25 Jan 2010 13:15
Last Modified:13 Mar 2014 12:30
Item ID:12191
Owner Only: item control page

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