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Quantum spin transport and dynamics through a ferromagneticormal metal junction

机译：穿过铁磁/正常金属结的量子自旋输运和动力学

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We study the spin transport in the low-temperature regime (often referred to as the precession-dominated regime) between a ferromagnetic Fermi liquid (FFL) and a normal metal metallic Fermi liquid (NFL), also known as the F/N junction, which is considered as one of the most basic spintronic devices. In particular, we explore the propagation of spin waves and transport of magnetization through the interface of the F/N junction where nonequilibrium spin polarization is created on the normal metal side of the junction by electrical spin injection. We calculate the probable spin wave modes in the precession-dominated regime on both sides of the junction especially on the NFL side where the system is out of equilibrium. Proper boundary conditions at the interface are introduced to establish the transport of the spin properties through the F/N junction. A possible transmission conduction electron spin resonance (CESR) experiment is suggested on the F/N junction to see if the predicted spin wave modes could indeed propagate through the junction. Potential applications based on this novel spin transport feature of the F/N junction are proposed in the end.
机译：我们研究了铁磁费米液体（FFL）和普通金属费米液体（NFL）（也称为F / N结）之间在低温状态（通常称为旋进为主状态）下的自旋输运，它被认为是最基本的自旋电子设备之一。特别是，我们探索了自旋波的传播和通过F / N结的界面的磁化传输，其中通过电自旋注入在结的法向金属侧上产生了非平衡自旋极化。我们在交点的两侧（特别是在系统失衡的NFL侧）以进动为主的状态下计算可能的自旋波模式。在界面处引入适当的边界条件以建立自旋特性通过F / N结的传输。建议在F / N结上进行可能的传输传导电子自旋共振（CESR）实验，以查看预测的自旋波模式是否确实可以通过该结传播。最后提出了基于F / N结的这种新型自旋输运特征的潜在应用。

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