中国物理学会期刊网
Chin.Phys.B  2018, Vol.27 Issue (9): 097401  DOI:10.1088/1674-1056/27/9/097401
0-π transition induced by the barrier strength in spin superconductor Josephson junctions
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>

Abstract

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.
收稿日期:2018-05-04

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).

引用本文

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