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Zener tunneling between Wannier-Stark levels in GaAs/AlGaAs superlattices

机译:GaAs / AlGaAs超晶格的Wannier-Stark能级之间的齐纳隧穿

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摘要

We have performed a detailed calculation of the inter-Wannier-Stark-ladder Zener tunneling probability P(F) in a wide-miniband GaAs/Al_(0.3)Ga_(0.7)As superlattice under a strong electric field F, the terahertz emission spectrum I(F) of which was measured experimentally. By comparing P(F) and I(F), we confirm that the oscillating behavior of I(F) is due to the Zener tunneling between Wannier-Stark levels.
机译:我们已经完成了在强电场F下太赫兹发射光谱下宽带GaAs / Al_(0.3)Ga_(0.7)As超晶格中Wannier-Stark阶梯齐纳隧穿概率P(F)的详细计算I(F)是通过实验测量的。通过比较P(F)和I(F),我们确认I(F)的振荡行为是由于Wannier-Stark水平之间的齐纳隧道效应引起的。

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