Interaction-induced spin polarization in quantum dots

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Rogge, M.C.; Räsänen, E.; Haug, R.J.: Interaction-induced spin polarization in quantum dots. In: Physical Review Letters 105 (2010), Nr. 4, 46802. DOI: https://doi.org/10.1103/PhysRevLett.105.046802

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Sum total of downloads: 82




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Abstract: 
The electronic states of lateral many-electron quantum dots in high magnetic fields are analyzed in terms of energy and spin. In a regime with two Landau levels in the dot, several Coulomb-blockade peaks are measured. A zigzag pattern is found as it is known from the Fock-Darwin spectrum. However, only data from Landau level 0 show the typical spin-induced bimodality, whereas features from Landau level 1 cannot be explained with the Fock-Darwin picture. Instead, by including the interaction effects within spin-density-functional theory a good agreement between experiment and theory is obtained. The absence of bimodality on Landau level 1 is found to be due to strong spin polarization. © 2010 The American Physical Society.
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2010
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 42 51.22%
2 image of flag of United States United States 21 25.61%
3 image of flag of China China 7 8.54%
4 image of flag of Japan Japan 2 2.44%
5 image of flag of Ireland Ireland 2 2.44%
6 image of flag of Taiwan Taiwan 1 1.22%
7 image of flag of Sweden Sweden 1 1.22%
8 image of flag of Nigeria Nigeria 1 1.22%
9 image of flag of India India 1 1.22%
10 image of flag of France France 1 1.22%
    other countries 3 3.66%

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