Exciton binding energy in a quantum well
✍ Scribed by Gerlach, B.; Wüsthoff, J.; Dzero, M. O.; Smondyrev, M. A.
- Book ID
- 125506780
- Publisher
- The American Physical Society
- Year
- 1998
- Tongue
- English
- Weight
- 478 KB
- Volume
- 58
- Category
- Article
- ISSN
- 1098-0121
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📜 SIMILAR VOLUMES
We have calculated the exciton binding energy in an Al x Ga 1-x As/GaAs double quantum well by a variational envelope function procedure using a simple two-band model. The influence of the shift of the AlAs separating barrier, introducing an asymmetry into the system, on the value of the exciton bin
Carrier density e ects on the dynamics of an electrically pumped exciton, created by hole-assisted, electron resonant tunneling in an asymmetric coupled quantum well system, has been studied self-consistently. Calculations show that, ÿrst, the binding energy and the oscillation period decrease with