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首页> 外文期刊>Physica, B. Condensed Matter >Electron Raman scattering in semiconductor quantum wire in external magnetic field: Frohlich interaction
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Electron Raman scattering in semiconductor quantum wire in external magnetic field: Frohlich interaction

机译:外部磁场中半导体量子线中的电子拉曼散射:Frohlich相互作用

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摘要

The differential cross-section for an electron Raman scattering process in a semiconductor quantum wire in the presence of an external magnetic field perpendicular to the plane of confinement regarding phonon-assisted transitions, is calculated. We assume single parabolic conduction band and present a description of the phonon modes of cylindrical structures embedded in another material using the Frohlich phonon interaction. To illustrate the theory we use a GaAs/Al0.35Ga0.75As system. The emission spectra are discussed for different scattering configurations and the selection rules for the processes are also studied. The magnetic field distribution is considered constant with value B-0 inside of the wire, and zero outside.
机译:计算了在垂直于声子辅助跃迁的约束平面的外部磁场存在下,半导体量子线中电子拉曼散射过程的差分横截面。我们假设单个抛物线导带,并使用Frohlich声子相互作用描述嵌入在另一种材料中的圆柱结构的声子模式。为了说明该理论,我们使用GaAs / Al0.35Ga0.75As系统。讨论了不同散射构型的发射光谱,并研究了工艺的选择规则。磁场分布被认为是恒定的,导线内部为B-0,外部为零。

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