Spin-ip rates in GaAs quantum dots can be quite slow, thus opening up the possibilities to manipulate spin states in the dots. We present here estimations of inelastic spin-ip rates mediated by hyperÿne interaction with nuclei. Under general assumptions, the nucleus mediated rate is proportional to
✦ LIBER ✦
Exciton spin–flip processes in single quantum dots
✍ Scribed by E. Tsitsishvili; R. v. Baltz; H. Kalt
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 98 KB
- Volume
- 1
- Category
- Article
- ISSN
- 1862-6351
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The photoluminescence spectra of individual quantum dots have been measured with high spectral and spatial resolution spectroscopy. The temperature dependence of the line broadening is analyzed for different single-confined excitons. At low temperatures, the photoluminescence spectra can be very wel