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Magneto-Excitons in Semiconductor Quantum Rings

✍ Scribed by Galbraith, I. ;Braid, F.J. ;Warburton, R.J.

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
155 KB
Volume
190
Category
Article
ISSN
0031-8965

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✦ Synopsis

In this paper we present calculations of the magneto-excitonic absorption spectrum for two different quantum ring geometries. Calculations are performed using a direct diagonalization of the single particle wavefunctions. Two different behaviours including the novel appearance of a ground state exciton with a finite angular momentum are described and calculations of the conditional correlation function are used to explore the nature of the exciton peaks.

πŸ“œ SIMILAR VOLUMES

Magneto-excitons in asymmetric modulatio
Magneto-excitons in asymmetric modulation-doped quantum wells
✍ A.B. Henriques πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 260 KB

The binding energies and Bohr radii for excitons involving electrons in excited subbands and heavy and light holes in modulation-doped quantum wells are studied. It is found that under an applied magnetic field the magneto-exciton binding energies increase much more rapidly than in the undoped well.