| 铁磁/超导结中铁磁性和超导电性的共存 |
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| 引用本文： | 周晖,郁华玲. 铁磁/超导结中铁磁性和超导电性的共存[J]. 淮阴师范学院学报(自然科学版), 2010, 9(5) |
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| 作者姓名： | 周晖 郁华玲 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 利用BTK理论以及Nambu自旋格林函数方法计算了铁磁/超导结中的准粒子局域态密度(DOS).计算结果表明在铁磁一侧界面附近超导邻近效应引起了具有超导特征的准粒子局域态密度,而在超导一侧界面附近由反邻近效应引起了自旋相关的DOS,即呈现了一定的磁性.由此判断在结的界面附近有铁磁性和超导电性的共存现象.
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| 关 键 词： | 邻近效应 反邻近效应 铁磁性和超导电性共存 |
The Coexistence of Superconductivity and Ferromagnetism in Erromagnet/Superconductor Structures |
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| ZHOU Hui,YU Hua-ling. The Coexistence of Superconductivity and Ferromagnetism in Erromagnet/Superconductor Structures[J]. Journal of Huaiyin Teachers College(Natrual Science Edition), 2010, 9(5) |
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| Authors: | ZHOU Hui YU Hua-ling |
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| Abstract: | We extend the BTK theory and the Nambu spinor Green's function approach to study the proximity effects and inverse proximity effects in ferromagnet/superconductor(F/S) junctions.They include the induced density of states(DOS) with superconducting feature on the F side,and spin-dependent DOS on the S side,which indicates a coexistence of superconductivity and ferromagnetism in a small regime near the interfance. |
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| Keywords: | proximity effects inverse proximity effects coexistence of superconductivity and ferromagnetism |
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