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

Rogge, M. C., Fricke, C., Harke, B., Hohls, F., 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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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 > Alumni or Retired Professors > Group Werner Wegscheider
Identification Number:
73.63.Kv; 73.23.Hk; 72.20.MyPACS
Keywords:Quantum dots; Quantum point contact; Charge detection; Tunneling rates; Excited states
Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Item ID:12191
Owner only: item control page


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