Theory of intersubband collective modes in semiconductor superlattices
β Scribed by A. Tselis; G. Gonzales de la Cruz; J.J. Quinn
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 224 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
Collective excitations in semiconductor superlattices are studied beyond the randomphase approximation (RPA). The Singwi, 'Tosi, Land and SjΓΆlander (STLS) theory, which accounts for exchange and short-range correlations effects through an effective potential depending on the structure factor, is gen
The optical nonlinearity and bistability (OB) induced by intersubband transitions (ISBTs) in semiconductor superlattices are studied by means of the Kronig-Penney model and the density-matrix method. The OB state equation in a Fabry-Perot configuration is derived. It is shown that the ISBT-induced O