Triplet superconductivity in a ferromagnetic vortex.

Triplet superconductivity in a ferromagnetic vortex.
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铁磁涡旋中的三重态超导性。

DOI:
10.1103/physrevlett.107.087003
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发表时间:
2011
影响因子:
8.6
通讯作者:
Kalenkov MS
Kalenkov MS
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Kalenkov MS

文献摘要

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我们认为,三重态超导电性可以方便地实现在混合超导体-铁磁体()结构与铁磁涡旋。我们证明,由于邻近诱导的长程三重态配对,这种结可以维持可观的超电流,可以在实验中直接测量。根据接触的几何形状,在所考虑的系统中可以实现零结或结状态。
We argue that triplet superconductivity can be conveniently realized in hybrid superconductor-ferromagnet () structures with a ferromagnetic vortex. We demonstrate that due to proximity-induced long-range triplet pairing suchjunctions can sustain appreciable supercurrent which can be directly measured in experiments. Depending on the contact geometry either zero- or-junction regime can be realized in the system under consideration.