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Singlet-Triplet Transition Tuned by Asymmetric Gate Voltages in a Quantum Ring

Fuhrer, A. and Ihn, Thomas and Ensslin, Klaus and Wegscheider, Werner and Bichler, Max (2003) Singlet-Triplet Transition Tuned by Asymmetric Gate Voltages in a Quantum Ring. Physical Review Letters 91 (20), p. 206802.

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Abstract

Wave-function and interaction effects in the addition spectrum of a Coulomb-blockaded many-electron quantum ring are investigated as a function of asymmetrically applied gate voltages and magnetic field. Hartree and exchange contributions to the interaction are quantitatively evaluated at a crossing between states extended around the ring and states which are more localized in one arm of the ...

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Item Type:Article
Date:14 November 2003
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1103/PhysRevLett.91.206802DOI
Related URLs:
URLURL Type
http://link.aps.org/doi/10.1103/PhysRevLett.91.2068020Publisher
Classification:
NotationType
73.23.–b, 03.67.LxPACS
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:15 Dec 2009 08:55
Last Modified:13 Mar 2014 12:18
Item ID:11485
Owner Only: item control page

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