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Article Dans Une Revue Superlattices and Microstructures Année : 2018

Excitonic binding energy in prolate and oblate spheroidal quantum dots

Résumé

Excitonic energy is theoretically investigated in a spheroidal quantum dot as a function of an ellipticity parameter χ defined as the semi-axes ratio. The total energy is determined through the variational method using a trial wave function build from exact electron and hole spheroidal functions. For a fixed volume of the dot, it is shown that the total energy varies considerably against the parameter χ in contrast with the binding energy which is weakly dependent on the ellipticity.
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Dates et versions

hal-02900889 , version 1 (16-07-2020)

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F. Dujardin, E. Feddi, E. Assaid. Excitonic binding energy in prolate and oblate spheroidal quantum dots. Superlattices and Microstructures, 2018, 114, pp.296-304. ⟨10.1016/j.spmi.2017.12.053⟩. ⟨hal-02900889⟩
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