Quantum dots and quantum dot lattices:Correlations in small quantal systems

Borgh, M. ORCID: https://orcid.org/0000-0003-4243-7051, Toreblad, M., Åberg, S., Reimann, S. M., Koskinen, M. and Manninen, M. (2005) Quantum dots and quantum dot lattices:Correlations in small quantal systems. In: Clusters and Nano-Assemblies. World Scientific Publishing Co. Pte Ltd, pp. 143-150. ISBN 9812563318

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Recently, Attaccalite et al. proposed a new expression for the exchange-correlation energy of the two-dimensional electron gas, based on quantum Monte Carlo calculations. We compare this functional with the established expression given by Tanatar and Ceperley for use in density functional calculations. As model systems serve a circular few-electron quantum dot and a square lattice of dots. For single dots, electronic structure calculations are performed using both energy functionals for the self-consistent solution of the Kohn-Sham equations. The results are compared with those of a numerical diagonalization of the many-body Hamiltonian.

Item Type: Book Section
Additional Information: Publisher Copyright: © 2005 by World Scientific Publishing Co. Pte. Ltd. All rights reserved.
Uncontrolled Keywords: engineering(all) ,/dk/atira/pure/subjectarea/asjc/2200
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Depositing User: LivePure Connector
Date Deposited: 01 Aug 2022 09:30
Last Modified: 22 Oct 2022 23:57
URI: https://ueaeprints.uea.ac.uk/id/eprint/87009
DOI: 10.1142/9789812701879_0016

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