# Magnetoexcitons in quantum-ring structures: a novel magnetic interference effect

@article{Ulloa2002MagnetoexcitonsIQ, title={Magnetoexcitons in quantum-ring structures: a novel magnetic interference effect}, author={Sergio E. Ulloa and Alexander O. Govorov and A. V. Kalameitsev and Richard John Warburton and Khaled Karrai}, journal={Physica E-low-dimensional Systems \& Nanostructures}, year={2002}, volume={12}, pages={790-793} }

## 15 Citations

Finite size effects on the optical transitions in quantum rings under a magnetic field

- Physics
- 2006

Abstract.
We present a theoretical study of the energy spectrum of single electron and hole states in
quantum dots of annular geometry under a high magnetic field along the ring axis in the frame of…

Impurity effects on the Aharonov-Bohm optical signatures of neutral quantum-ring magnetoexcitons

- Physics
- 2004

We study the role of impurity scattering on the photoluminescence (PL) emission of polarized magnetoexcitons. We consider systems where both the electron and hole are confined on a ring…

Aharonov-Bohm signature for neutral polarized excitons in type-II quantum dot ensembles.

- PhysicsPhysical review letters
- 2004

A magnetophotoluminescence study of type-II InP/GaAs self-assembled quantum dots is presented, revealing the Aharonov-Bohm-type oscillations for neutral excitons when the hole ground state changes its angular momentum.

Excitons in Single and Vertically Coupled Type II Quantum Dots in High Magnetic Fields

- Physics
- 2003

The ground state properties of an exciton in a type II quantum dot are investigated in the presence of a perpendicular magnetic or electric field. The dot is modelled by a quantum disk with radius R…

Single and vertically coupled type-II quantum dots in a perpendicular magnetic field: Exciton ground-state properties

- Physics
- 2002

The properties of an exciton in a type-II quantum dot are studied under the influence of a perpendicular applied magnetic field. The dot is modeled by a quantum disk with radius R, thickness d and…

Magnetoexciton complexes in nanorings: apparent oscillations of Aharonov?Bohm

- Physics
- 2015

The effect of the variation electron-to-hole effective mass ratio on energy spectra, magnetizations and densities of states of two- and three-particles magnetoexciton complexes in InAs/GaAs quantum…

Electronic structure of vertically coupled quantum dot-ring heterostructures under applied electromagnetic probes. A finite-element approach

- PhysicsScientific reports
- 2021

The energies of confined electron and hole, affected by the influence of an external electric field, are reported on, revealing the possibility of field-induced separate spatial localization, which may result in an indirect exciton configuration.

Coulomb-interaction effects on the electronic structure of radially polarized excitons in nanorings

- Physics
- 2006

The electronic structure of radially polarized excitons in structured nanorings is analyzed, with emphasis in the ground-state properties and their dependence under applied magnetic fields…

Magneto-optical transitions in nanoscopic rings

- Physics
- 2003

Near-infrared spectra of self-assembled quantum rings are calculated using the $\mathbf{k}\ensuremath{\cdot}\mathbf{p}$ method with rectangular band-offset potentials in three dimensions. The…

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