Spin Current in Metals and Superconductors
Spin Current in Metals and Superconductors
复制标题
DOI：
10.1143/jpsj.77.031009
复制
发表时间：
2008-03
影响因子：
1.7
通讯作者：
S. Takahashi;S. Maekawa
中科院分区：
文献类型：
--
作者：
S. Takahashi;S. Maekawa
讨论了由铁磁自旋注入器（F1）和自旋探测器（F2）电极连接到正常导体（N）或超导体（SC）组成的纳米结构器件中的非局域自旋输运。通过求解自旋相关的输运方程，研究了这种器件中自旋输运与界面性质（金属接触或隧道结）和电极材料参数的关系，得到了有效自旋注入、自旋积累和自旋电流的条件.在具有SC的装置中，自旋输运强烈地受到超导性的开始的影响。研究了金属和超临界流体中的非局域自旋霍尔效应。讨论了具有π结的超导量子比特。
The nonlocal spin transport in a nanostructure device consisting of ferromagnetic spin injector (F1) and spin detector (F2) electrodes connected to a normal conductor (N) or a superconductor (SC) is discussed. We explore how the spin transport in such a device depends on the nature of interface (metallic-contact or tunnel junction) and material parameters of electrodes by solving the spin-dependent transport equations, and obtain the conditions for efficient spin injection, spin accumulation, and spin current. In a device with SC, the spin transport is strongly affected by the onset of superconductivity. Nonlocal Spin Hall effect in metals and SCs are investigated. A superconducting qubit with a π junction is discussed.