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Energy spectra of position-dependent masses in double heterostructures

机译:双异质结构中位置依赖性群体的能谱

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摘要

We consider position-dependent effective mass particles in double heterostructures, subject to the action of several potentials. A comparative study of the energy spectra of these particles is carried out, emphasizing the effect of different boundary conditions associated with the kinetic energy operator. Energy spectra that cannot be expressed analytically, have been estimated by means of the corresponding reflection coefficient poles. The heterostructure model adopted assumes a middle region, where the potential and mass are some finite distributions of the position, but outside of it its behavior is constant. Finally, we discuss the gain of a double parabolic quantum well in a laser.
机译:我们认为双重异质结构中的位置依赖性有效质量颗粒,受到几个潜力的作用。 进行了这些颗粒的能谱的比较研究,并强调了与动能算子相关的不同边界条件的影响。 通过相应的反射系数极估计不能分析地表达的能谱。 所采用的异质结构模型假设中间区域,其中潜在和质量是位置的一些有限分布,但其行为在其外是恒定的。 最后,我们在激光中讨论双抛物量子孔的增益。

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