Second-harmonic generation in quantum wells: the role of many-body effects
✍ Scribed by Victor Bondarenko; Mirosław Załużny
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 84 KB
- Volume
- 7
- Category
- Article
- ISSN
- 1386-9477
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Studies of shallow donor impurities confined in semiconductor quantum-well (QW) structures are reviewed, concentrating on recent experimental (far infrared spectroscopy) and theoretical investigations of negative donor ions (D ± ± ) and the effects of excess electrons on the donor-related transition
Analytical expressions for the components of second-harmonic susceptibility tensor for the L-valley quantum well structures are derived employing the perturbative density-matrix formulation within the time dependent local density approximation (TDLDA). Indirect and direct Coulomb interactions are sh