考虑到界面的势垒散射和铁磁层中的磁交换作用,依照Sr2RuO4超导体具有自旋三重配对态的p波对称结构,研究铁磁-p波超导结中的自旋极化隧道谱与散粒噪声.研究表明:1.对于幺正配对态,随着铁磁层中磁交换劈裂增强,隧道谱与散粒噪声都减少;2.对于非幺正配对态,隧道谱与散粒噪声都依赖于铁磁层的磁化轴方向,当磁化轴平行于非幺正配对态的自旋轴时,在低偏压下磁交换作用能使隧道谱与散粒噪声增强,而当磁化轴反平行于自旋转轴时,其结果相反.
参考文献
[1] | YMaeno et al.[J].Nature,1994,372:532. |
[2] | TMRice;MSigrist .[J].Journal of Physics:Condensed Matter,1995,7(07):L643. |
[3] | M Yamashiro;Y Tanaka;S Kashiwaya .[Z].,1997. |
[4] | MYamashiro et al.[J].Journal of the Physical Society of Japan,1998(67):3224. |
[5] | CHonerkamp;MSigrist .[J].Journal of Low Temperature Physics,1998(111):895. |
[6] | IIMazin;DJSingh .[J].Physical Review Letters,1997,79:733. |
[7] | Y. Maeno;S. Nishizaki;K. Yoshida;S. Ikeda;T. Fujita .Normal-State and Superconducting Properties of Sr_2Ruo_4[J].Journal of Low Temperature Physics,1996(5/6):1577-1586. |
[8] | KIshida et al.[J].Physical Review,1997,B56:R505. |
[9] | MJMde Jong;CWJBeenakker .[J].Physical Review Letters,1995,74:1657. |
[10] | JXZhu;BFriedman;CSTing .[J].Physical Review,1999,B59:9558. |
[11] | SKashiwaya et al.[J].Physical Review,1999,B60:3572. |
[12] | IZutic;OTValls .[J].Physical Review,2000,B61:1555. |
[13] | ZCDong;DYXing et al.[J].Physical Review,2001,B63:144520. |
[14] | A F Andreev;Zh Eksp .[J].Teor Fiz,1964(46):1823. |
[15] | PGde Gennes.Superconductivity of Metal and Alloy[M].Benjamin Press,New York,1966 |
[16] | GEBlonder;MTinkham;TMKlapwijk .[J].Physical Review,1982,B25:4515. |
[17] | JXZhu;CSTing .[J].Physical Review,1999,B59:R14165. |
[18] | ZCDong;DYXing;Jinming Dong .[J].Journal of Physics:Condensed Matter,2001(13):3839. |
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