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
β¦ LIBER β¦
Collective excitations in periodic semiconductor multiheterostructures
β Scribed by Manvir S. Kushwaha
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 840 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0022-3697
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The problem of electromagnetic response and collective excitations in arrays of quantum wires and dots is solved taking into account electrodynamic (radiative) effects and the interwire (interdot) interaction. The radiative contribution ( ) to the total linewidth of collective modes is calculated. I