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Quantum rings as phase coherent detectors

Fuhrer, A. and Sigrist, Martin and Meier, L. and Ihn, Thomas and Ensslin, Klaus and Wegscheider, Werner and Bichler, Max (2004) Quantum rings as phase coherent detectors. Physica E Low-dimensional Systems and Nanostructures 25 (2-3), pp. 303-312.

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Aharonov–Bohm oscillations are studied in the magnetoconductance through two micron-sized quantum rings. The structures are defined in a two-dimensional electron gas of a Ga[Al]As heterostructure by way of local oxidation with an atomic force microscope. In the experiments, the rings are used as phase-coherent detectors of the charge state of quantum dots coupled to the rings in two specific ...


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Item Type:Article
Date:November 2004
Institutions:Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Identification Number:
73.23.Ad; 73.63.KvPACS
Keywords:Transmission phase; Quantum dot; Aharonov–Bohm effect; Phase coherence
Dewey Decimal Classification:500 Science > 530 Physics
Created at the University of Regensburg:Unknown
Deposited On:11 Jan 2010 13:16
Last Modified:13 Mar 2014 12:21
Item ID:11815
Owner Only: item control page


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