On the calculation of surface exciton energies in molecular crystals |
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Authors: | R. Nuyts P. Phariseau |
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Affiliation: | Laboratorium voor Kristallografie en Studie van de Vaste Stof and Seminarie voor Wiskundige Natuurkunde, Rijksuniversiteit Gent, Gent, B-9000, Belgium |
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Abstract: | In this paper a general theory is established for surface exciton states in a molecular crystal. Starting from the bulk exciton formalism the pertubation caused by the surface is taken into account by introducing a perturbation matrix. Symmetry properties of the “surface exciton bands” are derived. |
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