Photoionization cross section and intersublevel transitions in a one- and two-electron spherical quantum dot with a hydrogenic impurity

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dc.contributor.authorSahin, Mehmet
dc.date.accessioned2020-03-26T17:27:27Z
dc.date.available2020-03-26T17:27:27Z
dc.date.issued2008
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractA detailed investigation of the optical properties of a spherical quantum dot (QD) containing one and two electrons has been performed for cases with and without a hydrogenic impurity. First, the photoionization cross section of both D(0) and D(-) impurities in the QD has been calculated for an on-center impurity. Second, the intersublevel optical absorption and oscillator strength between the ground and excited states have been examined based on the computed energies and wave functions. The full numeric matrix diagonalization technique has been employed in determining sublevel energy eigenvalues and their wave functions. The Poisson-Schrodinger equations have been solved self-consistently in the Hartree approximation. In addition, quantum-mechanical many-body effects have been investigated in the local density approximation. The results are presented as a function of quantum dot radii and photon energies.en_US
dc.identifier.doi10.1103/PhysRevB.77.045317en_US
dc.identifier.issn1098-0121en_US
dc.identifier.issue4en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.urihttps://dx.doi.org/10.1103/PhysRevB.77.045317
dc.identifier.urihttps://hdl.handle.net/20.500.12395/22566
dc.identifier.volume77en_US
dc.identifier.wosWOS:000252863100087en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherAMER PHYSICAL SOCen_US
dc.relation.ispartofPHYSICAL REVIEW Ben_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.titlePhotoionization cross section and intersublevel transitions in a one- and two-electron spherical quantum dot with a hydrogenic impurityen_US
dc.typeArticleen_US

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