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  Physics Express 2011, 1: 17
  Research Article
Exciton states in semiconductor nanocrystals: Theory
  Sergey I. Pokutnyi  
G. V. Kurdyumov Institute for Metal Physics National Academy of Sciences of the Ukraine 36 Acad. Vernadsky Boul.,UA – 03680, Kyiv – 142, Ukraine
  The results of theoretical investigations of excitons states (electron – hole pairs states) in a quasi – zero – dimensional system sconsisting of spherical semiconductor nanocrystals placed in transparent dielectric matrices are reviewed. Absorption and emission of light in considered nanosystems is investigated. We study theoretically the prospect of using hole transitions between equidistant series of quantum levels observed in nanocrystals for desining a nanolaser.
  Excitons; Energy spectrum; Absorption of light; Nanolaser; Semiconductor nanocrystals  

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