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Excitonic binding energy in prolate and oblate spheroidal quantum dots

Abstract : 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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https://hal.univ-lorraine.fr/hal-02900889
Contributor : Francis Dujardin Connect in order to contact the contributor
Submitted on : Thursday, July 16, 2020 - 3:03:44 PM
Last modification on : Thursday, August 11, 2022 - 1:14:06 PM

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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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