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Dissociation of vertical semiconductor diatomic artificial molecules

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We investigate the dissociation of few-electron circular vertical semiconductor double quantum dot artificial molecules at 0 T as a function of interdot distance. A slight mismatch introduced in the fabrication of the artificial molecules from nominally identical constituent quantum wells induces localization by offsetting the energy levels in the quantum dots by up to 2 meV, and this plays a crucial role in the appearance of the addition energy spectra as a function of coupling strength particularly in the weak coupling limit.

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Articles publicats en revistes (Física Quàntica i Astrofísica)

# metadata.dc.title[].value
Dissociation of vertical semiconductor diatomic artificial molecules