| Spin flip in single quantum ring with Rashba spin–orbit interation |
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| 引用本文： | 刘端阳,夏建白.Spin flip in single quantum ring with Rashba spin–orbit interation[J].中国物理 B,2018(3). |
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| 作者姓名： | 刘端阳 夏建白 |
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| 摘 要： | We theoretically investigate spin transport in the elliptical ring and the circular ring with Rashba spin–orbit interaction.It is shown that when Rashba spin–orbit interaction is relatively weak, a single circular ring can not realize spin flip, however an elliptical ring may work as a spin-inverter at this time, and the influence of the defect of the geometry is not obvious.Howerver if a giant Rashba spin–orbit interaction strength has been obtained, a circular ring can work as a spin-inverter with a high stability.
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