Representative longitudinal optical phonon modes in polar semiconductor quantum dots
Tiberius O. Cheche, Valentin Barna, Ioan Stamatin
TL;DR
This paper theoretically investigates the existence and characteristics of longitudinal optical phonon modes in polar semiconductor quantum dots, specifically cylindrical GaAs/AlAs structures, using a dielectric continuum model and Fröhlich interaction.
Contribution
It introduces a theoretical framework for analyzing LO phonon modes in cylindrical quantum dots considering dielectric effects and electron-phonon interactions.
Findings
Identification of representative LO phonon modes in cylindrical quantum dots
Application of the model to GaAs/AlAs quantum dots
Insights into electron-phonon interactions in quantum confinement
Abstract
Existence of representative longitudinal optical (LO) phonon modes is theoretically discussed for the case of polar semiconductor cylindrical quantum dots embedded in a semiconductor matrix. The approach is developed within the dielectric continuum model considering the Fr\"ohlich interaction between electrons and the confined LO phonons. The theory is applied to cylindrical GaAs/AlAs quantum dots within an adiabatic treatment.
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