Supercurrent pumping by ferromagnetic resonance in ferromagnetic Josephson junctions

被引：1
|
作者：
Takahashi, S. [1 ]
Hikino, S.
Mori, M.
Martinek, J.
Maekawa, S.
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[2] Japan Sci & Technol Agcy, CREST, Kawaguchi 3320012, Japan
[3] Polish Acad Sci, Inst Mol Phys, PL-60179 Poznan, Poland
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2007年 / 463卷
基金：
美国国家科学基金会;
关键词：
Josephson effect; supercurrent pumping; half-metallic ferromagnet; magnon-assisted tunneling; magnetization precession; ferromagnetic resonance;
D O I：
10.1016/j.physc.2007.02.045
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We theoretically study the Josephson current through a half-metallic ferromagnet between two singlet superconductors. The magnonassisted electron tunneling across the interface induces a triplet pairing correlation in the half-metallic ferromagnet through which the Josephson current flows between the superconductors. It is shown that the Josephson current is pumped by the coherent precession of the magnetization, and is controllable by use of ferromagnetic resonance effect in a ferromagnetic Josephson junction. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：989 / 992
页数：4
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