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The dynamical effective masses for the in-plane motion, determined from the exact subband structure, are used to study excitons in zinc-blende heterostructures. The 2s→1s transition for heavy-hole excitons in (Ga,Al)As-GaAs quantum wells, with and without the exciton-phonon interaction, is compared with experimental results.
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Chitta et al. (1988) studied this question.
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