Scattering theory of the Josephson effect in iron based superconductors

被引：1
|
作者：
Nappi, C. [1 ,2 ]
De Nicola, S. [2 ]
Adamo, M. [1 ,2 ]
Sarnelli, E. [1 ,2 ]
机构：
[1] CNR, Ist Cibernet E Caianiello, I-80078 Naples, Italy
[2] CNR, SPIN, Complesso Univ MA Angelo, I-80126 Naples, Italy
来源：
11TH EUROPEAN CONFERENCE ON APPLIED SUPERCONDUCTIVITY (EUCAS2013), PTS 1-4 | 2014年 / 507卷
关键词：
JUNCTIONS; STATES;
D O I：
10.1088/1742-6596/507/1/012035
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We study the Josephson effect in S +/- IS +/- junctions made by a two band superconductor with s perpendicular to wave symmetry. We derive the Andreev coefficients for the scattering problem at the junction interface and the temperature dependence of the critical current. We predict various features of the Josephson current for certain values of the second band strengths and tunnel barrier amplitude among which a high temperature pi state coupling, and a pi to 0 transition as the temperature lowers.
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页数：5
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