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Effective mass and dielectric constant mismatch effects in spherical multishell quantum dots

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The role of effective mass and dielectric mismatches on chemical potentials and addition energies of many-electron multishell quantum dots (QDs) is explored within the framework of a recent extension of the spin density functional theory. It is shown that although the gross electronic density is located in the wells of these multishell QDs, taking position-dependent effective mass and dielectric constant into account can lead to the appearance of relevant differences in chemical potential and addition energies as compared to standard calculations in which the effective mass and the dielectric constant of the well is assumed for the whole multishell structure.

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Reproducció digital del document publicat en format paper, proporcionada a http://dx.doi.org/10.1103/PhysRevB.75.033302

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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Effective mass and dielectric constant mismatch effects in spherical multishell quantum dots