Off-central acceptor impurity in a spherical quantum dot
V. I. Boichuk, R. Ya. Leshko, I. V. Bilynskyi, L. M. Turyanska
TL;DR
This paper investigates how the position of an acceptor impurity affects the energy levels, dipole moments, and optical absorption properties of holes in a spherical quantum dot using the multiband Luttinger model.
Contribution
It introduces a detailed analysis of impurity location effects on hole spectra and optical properties within a spherical quantum dot framework.
Findings
Impurity position significantly influences hole energy levels.
The impurity location affects dipole moments and oscillator strengths.
Hole interlevel absorption coefficients vary with impurity placement.
Abstract
The hole energy spectrum with the ion of an acceptor impurity in the quantum dot has been calculated using the spherical approximation of the multiband Luttinger model. The dependence of the hole energy levels on the impurity location in the quantum dot has been studied. The effect of the impurity location on the dipole momentum and the oscillator strength has been analyzed. The hole interlevel absorption coefficient has been calculated.
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