Spectra of cylindrical quantum dots: the effect of electrical and magnetic fields together with AB flux field

TL;DR

This paper analyzes the spectral properties of electrons in cylindrical quantum dots under combined electrical, magnetic, and AB flux fields, providing exact solutions and studying optical absorption characteristics.

Contribution

It presents exact solutions for energy levels and wave functions of quantum dots influenced by multiple external fields using the Nikiforov-Uvarov method.

Findings

Exact energy spectra and wave functions obtained.

Optical absorption coefficients calculated for GaAs quantum dots.

External fields significantly affect spectral and optical properties.

Abstract

We study the spectral properties of electron quantum dots (QDs) confined in 2D parabolic harmonic oscillator influenced by external uniform electrical and magnetic fields together with an Aharonov-Bohm (AB) flux field. We use the Nikiforov-Uvarov method in our calculations. Exact solutions for the energy levels and normalized wave functions are obtained for this exactly soluble quantum system. Based on the computed one-particle energetic spectrum and wave functions, the interband optical absorption GaAs spherical shape parabolic QDs is studied theoretically and the total optical absorption coefficient is calculated.