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Picosecond time evolution of free electron-hole pairs into excitons in GaAs quantum wells

✍ Scribed by Kumar, Rajesh; Vengurlekar, A. S.; Prabhu, S. S.; Shah, Jagdeep; Pfeiffer, L. N.

Book ID
121421791
Publisher
The American Physical Society
Year
1996
Tongue
English
Weight
134 KB
Volume
54
Category
Article
ISSN
1098-0121

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Formation of excitons from free electron
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✍ I.-K. Oh; Jai Singh πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 168 KB

A study of the process of exciton formation due to acoustic phonon interaction in quantum wells (QWs) is presented. Considering that excitons are formed from photoexcited free electron-hole pairs, we have derived the rate of such formation as a function of density and temperature of charge carriers