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Quantum rings as phase coherent detectors

Fuhrer, A., Sigrist, Martin, Meier, L., Ihn, Thomas, Ensslin, Klaus, 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
Item ID:11815
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