Interplay between shell effects and electron correlations in quantum dots

Authors
Harting, J Mulken, O Borrmann, P
Citation
J. Harting et al., Interplay between shell effects and electron correlations in quantum dots, PHYS REV B, 62(15), 2000, pp. 10207-10211
Citations number
23
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICAL REVIEW B
ISSN journal
01631829 → ACNP
Volume
62
Issue
15
Year of publication
2000
Pages
10207 - 10211
Database
ISI
SICI code
0163-1829(20001015)62:15<10207:IBSEAE>2.0.ZU;2-S
Abstract
We use the path integral Monte Carlo method to investigate the interplay be tween shell effects and electron correlations in single quantum dots with u p to 12 electrons. By use of an energy estimator based on the hypervirial t heorem of Hirschfelder we study the energy contributions of different inter action terms in detail. We discuss under which conditions the total spin of the electrons is given by Hund's rule, and the temperature dependence of t he crystallization effects.