Effect of magnetic field on absorption coefficients, refractive index changes and group index of spherical quantum dot with hydrogenic impurity

L Stevanović, N Filipović, V Pavlović - Optical Materials, 2019‏ - Elsevier
Optical properties of a spherical quantum dot (QD) with an on-center hydrogenic impurity in
the external static magnetic field are studied. Energies and wavefunctions of the impurity …

Calculation of Zeeman splitting and Zeeman transition energies of spherical quantum dot in uniform magnetic field

B Çakır, Ü Atav, Y Yakar, A Özmen - Chemical Physics, 2016‏ - Elsevier
In this study we report a detailed theoretical investigation of the effect of an external
magnetic field on the 1s-, 2p-, 3d-and 4f-energy states of a spherical quantum dot. We treat …

Dipole and quadrupole polarizabilities and oscillator strengths of spherical quantum dot

Y Yakar, B Çakır, A Özmen - Chemical Physics, 2018‏ - Elsevier
In 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 …

Oscillator strengths, transition probabilities and state lifetimes of on-and off-center donor impurities in quantum dots: off-center displacement, quantum size and …

P Doba, RLM Melono, AJ Etindele… - The European Physical …, 2021‏ - Springer
Nonrelativistic dipole matrix elements, oscillator strengths, transition probabilities and states
lifetimes of quantum dots with centered and off-centered hydrogenic impurities are studied …

Linear and nonlinear absorption coefficients of spherical two-electron quantum dot

Y Yakar, B Çakır, A Özmen - Computer Physics Communications, 2015‏ - Elsevier
In this study, optical properties of two-electron quantum dot confined by an infinite spherical
potential surface have been investigated. Linear, nonlinear and total absorption coefficients …

Linear and nonlinear optical absorption coefficients of two-electron spherical quantum dot with parabolic potential

B Çakır, Y Yakar, A Özmen - Physica B: Condensed Matter, 2015‏ - Elsevier
Linear and nonlinear absorption coefficients of two-electron spherical quantum dot (QD) with
parabolic potential are investigated in this paper. Wave functions and energy eigenvalues of …

Spherical confinement of coulombic systems inside an impenetrable box: H atom and the hulthén potential

AK Roy - International Journal of Quantum Chemistry, 2015‏ - Wiley Online Library
The generalized pseudospectral method is used to study spherical confinement in two
simple Coulombic systems:(i) well celebrated and heavily studied H atom (ii) relatively less …

Finite-difference calculation of donor energy levels in a spherical quantum dot subject to a magnetic field

GVB De Souza, A Bruno-Alfonso - Physica E: Low-dimensional Systems …, 2015‏ - Elsevier
The ground and excited states of a donor impurity at the center of a spherical quantum dot
subject to a magnetic field are calculated within the effective-mass approximation. The …

Static polarizability of an atom confined in Gaussian potential

S Lumb, S Lumb, V Prasad - The European Physical Journal Plus, 2015‏ - Springer
Optical properties like oscillator strength and polarizability have been calculated for a
hydrogen atom under the effect of Gaussian potential and loose spherical confinement by …

Polarizability and electric field gradient of two-electron quantum dots

Y Yakar, B Çakır, A Özmen - Journal of Physics and Chemistry of Solids, 2020‏ - Elsevier
The 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 …