Polarons with Spatially Dependent Mass in a Finite Parabolic Quantum Well
ZHAO Feng-Qi1,2 , LIANG Xi-Xia1
1 Department of Physics, Inner Mongolia University, Huhhot 010021
2 Department of Physics, Inner Mongolia Normal University, Huhhot 010022
Polarons with Spatially Dependent Mass in a Finite Parabolic Quantum Well
ZHAO Feng-Qi1,2 ;LIANG Xi-Xia1
1 Department of Physics, Inner Mongolia University, Huhhot 010021
2 Department of Physics, Inner Mongolia Normal University, Huhhot 010022
关键词 ：
73.20.Dx ,
71.38.+i ,
63.20.Kr
Abstract ： We study the energy levels of an electron (or hole) polaron in a parabolic quantum well structure, including the spatial dependence of the effective mass. We also consider the two-mode behaviour of longitudinal optical phonon modes of the ternary mixed crystals in the structure, in the calculation of the effect of the electron-phonon interaction. We calculate the ground state, the first excited state and the transition energy of an electron (or hole) in the GaAs/Alx Ga1-x As parabolic quantum well structure. The numerical results show that the electron-phonon interaction obviously affects the energy levels of the electron (hole), which are in agreement with experimental results.
Key words ：
73.20.Dx
71.38.+i
63.20.Kr
出版日期: 2002-07-01
引用本文:
ZHAO Feng-Qi;LIANG Xi-Xia. Polarons with Spatially Dependent Mass in a Finite Parabolic Quantum Well[J]. 中国物理快报, 2002, 19(7): 974-977.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I7/974
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