Quantum wells with enhanced exciton effe
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Eiichi Hanamura; Naoto Nagaosa; Masami Kumagai; Toshihide Takagahara
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Article
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1988
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Elsevier Science
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English
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Exciton effects are studied theoretically for a quantum well of a semiconductor sandwiched by barriers with a smaller dielectric constant and a larger energy gap. The exciton binding energy increases markedly so that the radiative decay rate of the exciton and the non-linear optical susceptibility a