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The dynamics of carrier collection in quantum-well heterostructures are studied by photoemission experiments and Monte Carlo simulations. It is shown that carrier scattering decreases rapidly for well sizes Lz ≲100 Å. The collection mechanism depends sensitively on details of the band structure. The energy distribution function of the carriers after collection exhibits significant structure with respect to multiples of the phonon energy. This feature is also reflected by the experimental results.
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Tang et al. (1982) studied this question.
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