| 声子色散对激子的影响 |
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| 引用本文： | 顾世洧.声子色散对激子的影响[J].应用科学学报,1986,4(3):226-230. |
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| 作者姓名： | 顾世洧 |
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| 作者单位： | 内蒙古大学 |
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| 摘 要： | 本文计及纵光学声子的色散,用微扰法导出了激子的有效哈密顿,发现激子的有效质量、自陷能、电子-空穴有效作用势都与声子的色散有关.随着色散的加强,激子的有效质心质量、有效约化质量增大,电子-空穴有效作用势的屏蔽半径变短.
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| 收稿时间： | 1983-05-12 |
EFFECT OF PHONON DISPERSION ON EXCITON |
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| GU SHIWEI.EFFECT OF PHONON DISPERSION ON EXCITON[J].Journal of Applied Sciences,1986,4(3):226-230. |
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| Authors: | GU SHIWEI |
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| Institution: | Neimenggu University |
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| Abstract: | In this paper, the dispersion of the longitudinal optical phonon is considered in a parabolic approximation. The effective Hamiltonian is derived by the use of a perturbation method. It is found that the more the phonon dispersion, the larger is the effective mass, and the smaller the screening radius of electron-hole effective interacting potential. |
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