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Transmission phase through two quantum dots embedded in a four-terminal quantum ring

Sigrist, Martin and Fuhrer, A. and Ihn, Thomas and Ensslin, Klaus and Wegscheider, Werner and Bichler, Max (2004) Transmission phase through two quantum dots embedded in a four-terminal quantum ring. Physica E Low-dimensional Systems and Nanostructures 22 (1-3), pp. 530-533.

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Abstract

We use the Aharonov–Bohm effect in a four-terminal ring based on a Ga[Al]As heterostructure for the measurement of the relative transmission phase. In each of the two interfering paths we induce a quantum dot. The number of electrons in the two dots can be controlled independently. The transmission phase is measured as electrons are added to or taken away from the individual quantum dots.

Item Type:Article
Institutions: Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1016/j.physe.2003.12.062DOI
Classification:
NotationType
73.23.Ad; 73.63.KvPACS
Keywords:Transmission phase; Quantum dot; Aharonov–Bohm effect; Phase coherence
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner:Martin Kaiser
Deposited On:11 Jan 2010 14:23
Last Modified:21 Jul 2011 00:13
Item ID:11829
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