Approximation of the entanglement in quantum dot chains using Hubbard models
Abstract: We investigate the Hubbard model, and the extended Hubbard model with and without correlated hopping, as an approximation to the average single-site (or local) entanglement of two-electron one-dimensional quantum dot chains with long range interactions. We focus on the effect of the chain length on the approximation accuracy. We also consider the particle-particle spatial entanglement of the three Hubbard models using the technique of Ref. [3] and compare the accuracy of this approximation to the numerically exact results of the nanostructure system
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Anmerkungen
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Journal of Physics: Conference Series. - 286 (2011) , 012048, ISSN: 1742-6596
- Ereignis
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Veröffentlichung
- (wo)
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Freiburg
- (wer)
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Universität
- (wann)
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2022
- Urheber
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Coe, J. P.
França, Vivian V.
D'Amico, Irene
- DOI
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10.1088/1742-6596/286/1/012048
- URN
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urn:nbn:de:bsz:25-freidok-2258783
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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25.03.2025, 13:53 MEZ
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Beteiligte
- Coe, J. P.
- França, Vivian V.
- D'Amico, Irene
- Universität
Entstanden
- 2022
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