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首页> 外文期刊>Physica, E. Low-dimensional systems & nanostructures >Transmission characteristics including the coupling effect between normal and lateral degrees of freedom in step-barrier structures with a longitudinal magnetic field
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Transmission characteristics including the coupling effect between normal and lateral degrees of freedom in step-barrier structures with a longitudinal magnetic field

机译:传输特性包括具有纵向磁场的阶梯式势垒结构中法向和横向自由度之间的耦合效应

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摘要

In this paper we study the tunneling transport phenomena in a step-barrier structure under the influence of a longitudinal magnetic field, where the magneto-coupling effect is taken into account between the longitudinal motion component and the transverse Landau orbits of an electron. We also present numerical results of single square-barrier and asymmetrical double-barrier heterostructures for comparison. The results show that the coupling effect can play important role during the electronic tunneling process. It not only causes a significant shift of resonant peaks toward the low-energy region, but also enhances the transmission probability. (C) 2003 Elsevier Science B.V. All rights reserved. [References: 18]
机译:在本文中,我们研究了在纵向磁场影响下阶梯势垒结构中的隧穿传输现象,其中考虑了电子的纵向运动分量和横向Landau轨道之间的磁耦合效应。我们还提出了单方形势垒和非对称双势垒异质结构的数值结果用于比较。结果表明,耦合效应在电子隧穿过程中起着重要作用。这不仅会导致共振峰向低能量区域的明显偏移,而且会增加传输概率。 (C)2003 Elsevier Science B.V.保留所有权利。 [参考:18]

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