Electron correlation in artificial atoms

被引:31
作者
Henderson, TM [1 ]
Runge, K [1 ]
Bartlett, RJ [1 ]
机构
[1] Univ Florida, Quantum Theory Project, Gainesville, FL 32611 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/S0009-2614(01)00157-9
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Electron correlation is essential to the accurate description of molecular systems. Here, parabolic quantum dots (often referred to as artificial atoms) are treated with the coupled cluster formalism of quantum chemistry to introduce correlation. Electron correlation is shown to account for between 1% and 9% of the total energy of quantum dots with from two to eight electrons and has a significant qualitative effect on the addition spectra. We employ a scaling relationship, confirmed by our calculations, which allows the treatment of quantum dots without specific reference to material properties. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:138 / 142
页数:5
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