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The light- and heavy-hole two-dimensional exciton term values are determined directly from the excitation spectra of GaAs-AlₗGa₁-ₗAs heterostructures with GaAs well widths L from 42 to 145. these values are in excellent agreement with a theoretical model which contains no adjustable parameters. This theory also gives integrated strengths for the excitons which agree with experiment, and ground-state binding energies as a function of L.
Miller et al. (1981) studied this question.