| 电子─声子相互作用对抛物量子阱中三次谐波产生的影响 |
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| 引用本文： | 郭康贤 陈传誉. 电子─声子相互作用对抛物量子阱中三次谐波产生的影响[J]. 汕头大学学报(自然科学版), 1997, 12(1): 79-84 |
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| 作者姓名： | 郭康贤 陈传誉 |
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| 摘 要： | 本文就电子一声子相互作用对抛物量子阱中三次谐波产生的影响机制作了理论计算。利用量子力学中的密度矩阵算符理论导出了该系统中三次谐波产生的解析表达式。最后以典型的ＧａＡｓ抛物量子阱为例作了数值计算。
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| 关 键 词： | 电子─声子相互作用，三次谐波产生，密度矩阵算符 |
Influence of electron-phonon interaction on third-harmonicgeneration in a quantum well with parabolic potential |
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| Abstract: | In this paper , theoretical calculation is performed for the mechanism by which the electron-phonon interaction exerts influence on third-harmonic generation in a parabolic quantum well . An analytic representation for the third-harmonic generation along the well is derived by the density matrix operator theory of the quantum mechan- ics. Numerical results are obtained for a typical GaAs parabolic quantum well. |
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| Keywords: | electorn-phonon interaction : third-harmonic generation : density matrix op- erator |
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