Exchange Splitting of Zero-Dimensional Exciton Levels |
S.V. Goupalov and E.L. Ivchenko A.F. Ioffe Physico-Technical Institute, Politechnicheskaya 26, 194021 St. Petersburg, Russia |
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A theory of nonanalytic (long-range) exchange interaction between an electron and a hole is developed for zero-dimensional excitons in semiconductor nanostructures. Two particular cases are considered in detail: (i) that of exciton confined in a spherical nanocrystal and (ii) a quantum-well exciton localized as a whole on an anisotropic island of well-width monolayer fluctuation. |
DOI: 10.12693/APhysPolA.94.341 PACS numbers: 71.70.Gm, 73.20.Dx, 78.66.-w |