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  1. 1 2009

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  1. 1 Gomez S.

  2. 1 Romero R.

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Few-electron semiconductor quantum dots with Gaussian confinement

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Gomez S., Romero R.
Open Physics
|
2009
|
vol. 7
|
issue 1
12-21
EN
We have performed Hartree-Fock calculations of the electronic structure of N ≤ 10 electrons in a quantum dot modeled with a confining Gaussian potential well. We discuss the conditions for the stability of N bound electrons in the system. We show that the most relevant parameter determining the number of bound electrons is V 0 R 2. Such a feature arises from widely valid scaling properties of the confining potential. Gaussian Quantum dots having N = 2, 5, and 8 electrons are particularly stable in agreement with the Hund rule. The shell structure becomes less and less noticeable as the well radius increases.
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