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On the distribution of interacting fermions over single-particle quantum states
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
2007 (English)In: International Journal of Modern Physics B, ISSN 0217-9792, Vol. 21, no 10, 1729-1736 p.Article in journal (Refereed) Published
Abstract [en]

Using an exact diagonalization technique, we calculate the distribution of electrons n(nu) over single-particle quantum states in few-electron parabolic quantum dots. We show that n(nu) is a function of quantum numbers nu, but not of the energy of the states E-nu, n(nu) not equal n(E-nu). The common property n(nu) = n(E-nu) remains valid only if electron-electron interaction is neglected. For certain cases in the strong interaction regime, the occupation numbers of higher-energy levels may be larger than those of the lower-energy states: n(nu) > n(nu ') at E-nu > E-nu '.

Place, publisher, year, edition, pages
2007. Vol. 21, no 10, 1729-1736 p.
Keyword [en]
Coulomb correlations, Interacting electron gas, Quantum dots
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-7520DOI: 10.1142/S021797920703693XISI: 000251989100005Scopus ID: 2-s2.0-34248554161OAI: oai:DiVA.org:miun-7520DiVA: diva2:127667
Available from: 2008-12-09 Created: 2008-12-09 Last updated: 2016-10-05Bibliographically approved

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CiteExportLink to record
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Citation style
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