Double-finger-gate controlled spin-resolved resonant quantum transport in the presence of a Rashba-Zeeman gap

Chi Shung Tang, Shu Ting Tseng, Vidar Gudmundsson, Shun-Jen Cheng

研究成果: Article

4 引文 斯高帕斯(Scopus)

摘要

We investigate double finger gate (DFG) controlled spin-resolved resonant transport properties in an n-type quantum channel with a Rashba-Zeeman (RZ) subband energy gap. By appropriately tuning the DFG in the strong Rashba coupling regime, resonant state structures in conductance can be found that are sensitive to the length of the DFG system. Furthermore, a hole-like bound state feature below the RZ gap and an electron-like quasi-bound state feature at the threshold of the upper spin branch can be found that is insensitive to the length of the DFG system.

原文English
文章編號085801
期刊Journal of Physics Condensed Matter
27
發行號8
DOIs
出版狀態Published - 4 三月 2015

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