Electronic structure of wurtzite quantum dots with cylindrical symmetry

TL;DR

This paper develops a six-band k.p theoretical model for wurtzite quantum dots with cylindrical symmetry, extending previous formulations to include the Rashba-Sheka-Pikus Hamiltonian without axial approximation, enabling more accurate electronic structure analysis.

Contribution

It introduces a novel six-band k.p model for wurtzite quantum dots that incorporates the Rashba-Sheka-Pikus Hamiltonian without axial approximation, improving upon previous methods.

Findings

Comparison shows improved accuracy over conventional models

Model effectively captures electronic structure of wurtzite quantum dots

Extension of Vahala and Sercel's formulation to wurtzite semiconductors

Abstract

This paper presents a six-band k.p theory for wurtzite semiconductor nanostructures with cylindrical symmetry. Our work extends the formulation of Vahala and Sercel [Physical Review Letters 65, 239 (1990)] to the Rashba-Sheka-Pikus Hamiltonian for wurtzite semiconductors, without the need for the axial approximation. Results comparing our formulation for studying the electronic structure of wurzite quantum dots with the conventional formulation are given.