Polarizability and electric field gradient of two-electron quantum dots

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dc.contributor.authorYakar, Yusuf.
dc.contributor.authorÇakır, Bekir.
dc.contributor.authorÖzmen, Ayhan.
dc.date.accessioned2020-03-26T20:20:25Z
dc.date.available2020-03-26T20:20:25Z
dc.date.issued2020
dc.departmentSelçuk Üniversitesi, Fen Fakültesi, Fizik Bölümüen_US
dc.description.abstractThe energy levels of the quantum dots are evaluated by using Quantum Genetic Algorithm procedure and Hartree-Fock Roothaan method. Based on the calculated energies and wave functions, static dipole polarizability, oscillator strength and electric field gradient of helium/helium-like quantum dots are calculated as a perturbative calculation. It is worth to note that impurity charge and dot radius have a strong effect on the dipole polarizability, the oscillator strength and the electric field gradient. In small dot radii, since the spatial confinement effect is dominant, the polarizability of system is very weak. The polarizability increases monotonically with the increase of dot radius and then reaches a saturation value in large dot radii. On the other hand, the electric field gradient increases as dot radius decreases.en_US
dc.description.sponsorshipResearch Fund of Aksaray University-Project [2018-006]en_US
dc.description.sponsorshipThis work has been supported by Research Fund of Aksaray University-Project Number: 2018-006.en_US
dc.identifier.citationYakar, Y., Çakır, B., Özmen, A. (2020). Polarizability and Electric Field Gradient of Two-Electron Quantum Dots. Journal of Physics and Chemistry of Solids, 137, 1-6.
dc.identifier.doi10.1016/j.jpcs.2019.109214en_US
dc.identifier.issn0022-3697en_US
dc.identifier.issn1879-2553en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.jpcs.2019.109214
dc.identifier.urihttps://hdl.handle.net/20.500.12395/38583
dc.identifier.volume137en_US
dc.identifier.wosWOS:000503086700009en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÇakır, Bekir.
dc.institutionauthorÖzmen, Ayhan.
dc.language.isoenen_US
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDen_US
dc.relation.ispartofJOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectStatic polarizabilityen_US
dc.subjectOscillator strengthen_US
dc.subjectElectric field gradienten_US
dc.subjectHelium/helium-like quantum dotsen_US
dc.titlePolarizability and electric field gradient of two-electron quantum dotsen_US
dc.typeArticleen_US

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