0-π transition induced by the barrier strength in spin superconductor Josephson junctions

doi:10.1088/1674-1056/27/9/097401

中国物理B ›› 2018, Vol. 27 ›› Issue (9): 97401-097401.doi: 10.1088/1674-1056/27/9/097401

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

0-π transition induced by the barrier strength in spin superconductor Josephson junctions

Wen Zeng(曾文), Rui Shen(沈瑞)

1 National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China;
2 Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China

收稿日期:2018-05-04 修回日期:2018-06-19 出版日期:2018-09-05 发布日期:2018-09-05
通讯作者: Rui Shen E-mail:shen@nju.edu.cn
基金资助:
Project supported by the National Key R&D Program of China (Grant No. 2017YFA0303203) and the National Natural Science Foundation of China (Grant No. 11474149).

0-π transition induced by the barrier strength in spin superconductor Josephson junctions

Wen Zeng(曾文)¹, Rui Shen(沈瑞)^1,2

1 National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China;
2 Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China

Received:2018-05-04 Revised:2018-06-19 Online:2018-09-05 Published:2018-09-05
Contact: Rui Shen E-mail:shen@nju.edu.cn
Supported by:
Project supported by the National Key R&D Program of China (Grant No. 2017YFA0303203) and the National Natural Science Foundation of China (Grant No. 11474149).

摘要/Abstract

摘要：

The Andreev-like levels and the free energy of the spin superconductor/insulator/spin superconductor junction are obtained by using the Bogoliubov-de Gennes equation. The phase dependence of the spin supercurrents exhibits a 0-π transition by changing the barrier strength. The dependences of the critical current on the barrier strength and the temperature are also presented.

关键词: spin superconductor, Josephson junction

Abstract:

Key words: spin superconductor, Josephson junction

中图分类号: (Tunneling phenomena; Josephson effects)

74.50.+r

73.43.Jn (Tunneling)

曾文, 沈瑞. 0-π transition induced by the barrier strength in spin superconductor Josephson junctions[J]. 中国物理B, 2018, 27(9): 97401-097401.

Wen Zeng(曾文), Rui Shen(沈瑞). 0-π transition induced by the barrier strength in spin superconductor Josephson junctions[J]. Chin. Phys. B, 2018, 27(9): 97401-097401.

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0-π transition induced by the barrier strength in spin superconductor Josephson junctions

0-π transition induced by the barrier strength in spin superconductor Josephson junctions

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