Quasi two-dimensional electron-hole systems in a perpendicular magnetic field

TL;DR

This paper investigates the electronic properties of quasi two-dimensional electron-hole systems under a perpendicular magnetic field, revealing new excitations and effects on photoluminescence through numerical analysis.

Contribution

It introduces a detailed analysis of electron-hole interactions and excitations in quantum Hall systems using exact numerical diagonalization on spherical surfaces.

Findings

Identification of novel elementary excitations

Analysis of angular momenta and binding energies

Effects on photoluminescence spectrum

Abstract

The electronic properties of quasi two-dimensional multicomponent systems are investigated in the presence of a perpendicular magnetic field. The effects of the presence of a few valence band holes on the properties of quantum Hall systems are examined by analyzing the results of exact numerical diagonalization of small electron-hole systems confined to the spherical surface. The novel type of elementary excitations, the angular momenta, binding energies, interaction pseudopotentials, and effects on the photoluminescence spectrum are presented.