Dipole and quadrupole polarizabilities and oscillator strengths of spherical quantum dot

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dc.contributor.authorYakar, Yusuf
dc.contributor.authorÇakırr, Bekir
dc.contributor.authorÖzmen, Ayhan
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-16T09:16:55Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-16T09:16:55Z
dc.date.issued2018
dc.departmentSabire Yazıcı Fen Edebiyat Fakültesi
dc.description.abstractIn this study, the energy eigenvalues and eigenfunctions of the ground and excited states of a spherical quantum dot are calculated by using the Quantum Genetic algorithm (QGA) and Hartree-Eock Roothaan (HFR) method. Based on the calculated energies and wave functions, the static and dynamic dipole polarizabilities, the quadrupole polarizability, dipole and quadrupole oscillator strengths of spherical quantum dot are carried out as a function of dot size and the confining potential as perturbative. The results show that dot size and confining potential have a great influence on the polarizability and oscillator strength. It is found that the polarizability increases due to the spatial confinement effect in the strong confinement region. In the weak confinement region, the polarizability increases again until it reaches the saturation value. In addition, the peak positions of the dipole and quadrupole oscillator strengths shift toward smaller dot radii with the increases of the potential well depth.
dc.description.sponsorshipResearch Fund of Aksaray University [2017-028]; Selcuk University BAP office
dc.description.sponsorshipThis work has been supported by Research Fund of Aksaray University-Project Number: 2017-028. And also, it has been partially supported by Selcuk University BAP office.
dc.identifier.doi10.1016/j.chemphys.2018.07.049
dc.identifier.endpage220en_US
dc.identifier.issn0301-0104
dc.identifier.issn1873-4421
dc.identifier.scopusqualityQ2
dc.identifier.startpage213en_US
dc.identifier.urihttps://doi.org/10.1016/j.chemphys.2018.07.049
dc.identifier.urihttps://hdl.handle.net/20.500.12451/4672
dc.identifier.volume513en_US
dc.identifier.wosWOS:000444622300033
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevıer Science Bv
dc.relation.ispartofChemical Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectStatic Polarizability
dc.subjectQuadrupole Polarizability
dc.subjectDipole and Guadrupole Oscillator Strengths
dc.subjectSpherical Quantum Dot
dc.subjectQGA and HFR Method
dc.titleDipole and quadrupole polarizabilities and oscillator strengths of spherical quantum dot
dc.typeArticle

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