论文标题
混合系统中的纯自旋电流和负差分电阻
Pure spin current and negative differential electric resistance in hybrid systems
论文作者
论文摘要
本文旨在使用非平衡绿色功能方法研究杂化纳米纤维中的自旋依赖性转运特性。还包括左右导线之间的温度梯度，铁磁交换场以及当地的外部电场的影响。结果表明，旋转和旋转电流是产生的，并以几乎相等的幅度向相反的方向流动。显然，这表明载体运输是由热自旋电流主导的。而热电子电流几乎消失了。
This paper aims to investigate the spin dependent transport properties in hybrid nanoribbons, using the non equilibrium Greens function method. The effects of temperature gradient between the left and right leads, the ferromagnetic exchange field, and the local external electric fields are also included. The results show that the spin up and spin down currents are produced and flow in opposite directions with almost equal magnitudes. This evidently shows that the carrier transport is dominated by the thermal spin current. Whereas the thermal electron current is almost disappeared.
