论文标题
各向同性全电动自旋分析仪基于带自旋轨道耦合的量子环
Isotropic All-electric Spin analyzer based on a quantum ring with spin-orbit coupling
论文作者
论文摘要
在这里，我们通过分析和数值建模电荷传递速率如何取决于入射自旋的极化，在量子环中提出了与自旋轨道耦合的所有电旋转分析仪。通过分析Aharonov-Bohm和Aharonov-Casher效应，也开发出了在任意方向上自旋传播和极化速率的形式主义。自旋轨道耦合引起的拓扑自旋纹理基本上有助于动态阶段，并在自旋传输中起重要作用。分析得出的自旋传输特征已通过数值确认。这种有趣的二维电子系统可以通过简单地调整自旋轨道耦合来设计为自旋滤波器，自旋偏光层和一般分析仪，这为实现可调且可合作的纺纱设备的方式铺平了道路。
Here we propose an isotropic all electrical spin analyzer in a quantum ring with spin-orbit coupling by analytically and numerically modeling how the charge transmission rates depend on the polarization of the incident spin. The formalism of spin transmission and polarization rates in an arbitrary direction is also developed by analyzing the Aharonov-Bohm and the Aharonov-Casher effects. The topological spin texture induced by the spin-orbit couplings essentially contributes to the dynamic phase and plays an important role in spin transport. The spin transport features derived analytically has been confirmed numerically. This interesting two-dimensional electron system can be designed as a spin filter, spin polarizer and general analyzer by simply tuning the spin-orbit couplings, which paves the way for realizing the tunable and integrable spintronics device.
