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用推广的平面波展开展法检验平面内极化的电子子带跃迁
Authors
周均铭
张满红
+3 more
朱邦芬
王文新
黄绮
Publication date
1 January 1997
Publisher
Abstract
把平面波展开包络函数的方法推广到求解8带的哈密顿量,使它同时包括Г~c_1和Г~v_(15).在这种方法里,可以考虑反演不对称性、能带的非抛物性、有效质量不连续性以及 自旋-轨道耦合等效应的影响.作为应用,计算了两个量子阱结构的子带和光跃迁概率.实验上在这两个结构中观察到了平面内极化的电子子带跃迁.计算表明这种跃迁的概率很小.实验上观察到的平面内极化的电子子带吸收可能有其他的机制
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Last time updated on 15/03/2019