The results show that: (i) the spin-polarization of electron can not be produced in the anti-parallel magneticbarriers structure at zero bias voltage;
结果表明：零偏压下，电子在反平行等强磁垒结构中输运不会产生自旋极化；
2
The effects of magnetic field and bias voltage on spin polarized electron transport through a dual magneticbarriers quantum structure are investigated in this paper.
研究了双磁垒量子结构中，磁场强度和偏压大小对电子自旋极化输运的影响。
3
The magnetic influence of the inner spheres know no barriers of national frontiers or any other conventional limitations.