论文标题
超导体/铁磁性异质结构:超导旋转和量子计算的平台
Superconductor/Ferromagnet Heterostructures: A Platform for Superconducting Spintronics and Quantum Computation
论文作者
论文摘要
超导能与超导磁性之间的相互作用在超导/铁磁(SC/FM)异质结构中产生了许多有趣的物理现象,包括自旋三型超导超导,超导级别的顺序参数参数振荡和拓扑超导导性。独特的物理属性使SC/FM异质结构成为未来超导旋转和量子计算应用程序的有前途的平台。在本文中,我们回顾了SC/FM异质结构从超导旋转器到量子计算的重要研究进度,并且组织如下。首先,我们讨论了SC/FM异质结构中旋转电流载体的进度,包括Bogoliubov准颗粒,超导涡流和自旋三曲板库珀对,可用于远程自旋运输。然后,我们将描述Josephson连接及其构建πBIT的应用。最后,我们将简要审查Majorana状态在SC/FM异质结构和理论上提出的操作中的实验签名,这对于实现易于故障的拓扑量子计算可能很有用。
The interplay between superconductivity and ferromagnetism in the superconductor/ferromagnet (SC/FM) heterostructures generates many interesting physical phenomena, including spin-triplet superconductivity, superconducting order parameter oscillation, and topological superconductivity. The unique physical properties make the SC/FM heterostructures as promising platforms for future superconducting spintronics and quantum computation applications. In this article, we review important research progress of SC/FM heterostructures from superconducting spintronics to quantum computation, and it is organized as follows. Firstly, we discuss the progress of spin current carriers in SC/FM heterostructures including Bogoliubov quasiparticles, superconducting vortex, and spin-triplet Cooper pairs which might be used for long-range spin transport. Then, we will describe the π Josephson junctions and its application for constructing π qubits. Finally, we will briefly review experimental signatures of Majorana states in the SC/FM heterostructures and the theoretically proposed manipulation, which could be useful to realize fault-tolerant topological quantum computing.