Neutral and positively charged excitons in narrow quantum ring
- Escuela de Física, Universidad Industrial de Santander, A. A. 678, Bucaramanga (Colombia)
We study theoretically quantized states of a neutral and a positively charged exciton (trion X{sup +}) confined in a heterostructure with the ring-like geometry. In order to assess the experimentally relevant domain of parameters, we adopt a simple model of a narrow ring when 3D wave equations for the neutral and positively charged excitons can be separated. By using the Fourier series method, we have calculated the energy spectra of excitons complexes in a quantum ring as a function of the electron-to-hole mass ratio, the ring radius, and the magnetic field strength. The quantum-size effect and the size-dependent magnetic oscillations of energy levels of excitons' complexes spectra have been revealed.
- OSTI ID:
- 22280327
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1598; ISSN 0094-243X; ISSN APCPCS
- Country of Publication:
- United States
- Language:
- English
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