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cond-mat.mtrl-sci2004
Asymmetry in self-assembled quantum dot-molecules made of identical InAs/GaAs quantum dots
Lixin He, Gabriel Bester, Alex Zunger
We show that a diatomic dot molecule made of two identical, vertically stacked, strained InAs/GaAs self-assembled dots exhibits an asymmetry in its single-particle and may-particle…
cond-mat.mtrl-sci2004
Metal-nonmetal transition and excitonic ground state in InAs/InSb quantum dots
Lixin He, Gabriel Bester, Alex Zunger
Using atomistic pseudopotential and configuration-interaction many-body calculations, we predict a metal-nonmetal transition and an excitonic ground state in the InAs/InSb quantum…