Saddle-point excitons in solids and superlattices
作者： Hanyou Chu , Yia-Chung Chang
关键词: Layer thickness 、 Semiconductor superlattices 、 Exciton 、 Coulomb 、 Condensed matter physics 、 Superlattice 、 Materials science 、 Saddle point 、 Absorption spectroscopy 、 Saddle
摘要: A new method has been developed to study saddle-point excitons in solids and semiconductor superlattices. Interband absorption spectra of within simple tight-binding models are calculated with the inclusion electron-hole Coulomb interaction. Absorption associated exciton resonances superlattices also studied as functions layer thickness.
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