[HTML][HTML] Coulomb, exchange, kinetic, nuclear attraction and ionization energies of two-electron quantum dot with finite confinement potential

Y Yakar, B Çakır, C Demir, A Özmen - Physics Letters A, 2023‏ - Elsevier
We have calculated Coulomb, exchange and configuration-average ionization energies for
the ground and excited configurations in helium atom confined by a spherical cavity of finite …

Optical properties of spherical quantum dot using screened Kratzer potential

V Kumar, M Bansal, SB Bhardwaj, RM Singh… - Physica B: Condensed …, 2024‏ - Elsevier
Here we investigate the optical properties of a spherical quantum dot using the screened
Kratzer potential. The density matrix formalism is employed to study refractive index …

Optical properties and effect of magnetic field on energy spectra of a GaAs spherical quantum dot

V Kumar, SB Bhardwaj, RM Singh, F Chand - The European Physical …, 2023‏ - Springer
In the present work, optical absorption coefficients and refractive index changes of a GaAs
spherical quantum dot are investigated within the framework of the Coulomb plus linear …

Boosting the optical trap** of a single virus by quantum dots tagging increases virus polarizability and trap stiffness

D Xu, J Li, L Liu, H Tang - ACS Applied Materials & Interfaces, 2023‏ - ACS Publications
Optical tweezers use the momentum of photons to capture and manipulate particles in a
noncontact way. Although related techniques have been widely used in biology and …

Shape and quantum size effects on the electronic structure, oscillator strengths and state lifetimes of helium-like quantum dots

P Doba, RLM Melono, O Motapon - Physica Scripta, 2023‏ - iopscience.iop.org
Transition energies, electric static polarizability, oscillator strengths and state lifetimes of
helium-like quantum dots are determined as a function of their shape and size. A …

The effects of lateral electric field and dimensionality on the electronic properties of 2D-core/shell quantum disk emerged in finite confining potential

I Maouhoubi, O Mommadi, R En-nadir, S Chouef… - Physica B: Condensed …, 2023‏ - Elsevier
This study explores the influence of lateral electric fields and dimensionality on the physical
properties of core/shell quantum disks subjected to a finite confinement potential. By solving …

Excited state energies, orbital energies and virial coefficients in Confined multi-electron systems

C Demir, Y Yakar, B Çakır, A Özmen - Journal of Luminescence, 2022‏ - Elsevier
In the present study, the electronic structure of neutral He and Li atoms confined at the
center of an impenetrable spherical cavity of varying radius has been investigated. Average …

Energy states, oscillator strengths and polarizabilities of many electron atoms confined by an impenetrable spherical cavity

Y Yakar, B Çakır, C Demir… - International Journal of …, 2021‏ - Wiley Online Library
We have calculated the ground and excited state energies and the orbital energies of three‐
electron atoms inside impenetrable spherical cavity. Energy eigenvalues and wavefunctions …

The nonlinear second harmonic generation and third harmonic generation in GaAs/GaAlAs exponentially confined quantum well: electric and magnetic field effects

ZH Zhang, JH Yuan - Physica B: Condensed Matter, 2022‏ - Elsevier
The second harmonic generation (SHG) and third harmonic generation (THG) of a
GaAs/GaAlAs exponential quantum well (QW) are numerically investigated in the presence …

Energies of the ground and excited states of confined two-electron atom in finite potential well

C Demir, B Çakır, Y Yakar, A Özmen - Physica B: Condensed Matter, 2023‏ - Elsevier
For the ground and excited configurations, we have carried out the energy eigenvalues and
corresponding wavefunctions of two-electron atom enclosed by finite confining potential by …