Fuhrer, A., Ihn, Thomas, Ensslin, Klaus, Wegscheider, Werner und Bichler, Max
Singlet-Triplet Transition Tuned by Asymmetric Gate Voltages in a Quantum Ring.
Physical Review Letters 91 (20), S. 206802.
Zum Artikel beim Verlag (über DOI)
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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