Effect of impurity on the determination of ground-state properties of parabolic quantum dot composed of N electrons

Details Effect of impurity on the determination of ground-state properties of parabolic quantum dot composed of N electrons Effect of impurity on the determination of ground-state properties of parabolic quantum dot composed of N electrons

2004-02-24

arxiv.org/abs/cond-mat/0402593v1

Physica E-Low-Dimensional Systems & Nanostructures Volume: 30 Issue: 1-2 Pages: 143-149 Published: DEC 2005

Physics

Condensed Matter

Other Condensed Matter

21 pages, 5 figures

Scientific paper

10.1016/j.physe.2005.08.007

The two dimensional Thomas-Fermi approximation is applied to the problem of parabolic quantum dot composed of N electrons and an on-center impurity. Change induced by impurity on electron density, chemical potential and total energy is discussed and it is found that existence of impurity makes significant changes on the determination of above properties especially for the small number of electrons and strong confinements.

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