Abstract

We study the energy levels of an electron (or hole) polaron in a parabolicquantum well structure, including the spatial dependence ofthe effective mass. We also consider the two-mode behaviour of longitudinal optical phononmodes 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 ofan electron (or hole) in the GaAs/AlxGa1-xAs parabolicquantum well structure. The numerical results show thatthe electron-phonon interaction obviously affects the energy levels ofthe electron (or hole), which are in agreement with experimental results.

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