Exciton-mediated triplet superconductivity in Th system PrOs4Sb12

被引：12
|
作者：
Matsumoto, M
Koga, M
机构：
[1] Shizuoka Univ, Fac Sci, Dept Phys, Shizuoka 4228529, Japan
[2] Shizuoka Univ, Fac Educ, Dept Phys, Shizuoka 4228529, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2005年 / 74卷 / 06期
关键词：
skutterudite; triplet superconductivity; time reversal symmetry; exciton;
D O I：
10.1143/JPSJ.74.1686
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In PrOS4Sb12, the lowest-lying singlet and triplet states in a Pr 4f(2) configuration hybridize with conduction electrons having local a(u) and t(u) point-group symmetries. It is shown that for an attractive triplet pairing interaction, the orbital degrees of freedom of the t(u) component are important. In addition, the T-h, point-group symmetry characteristic of skutterudites plays an important role in stabilizing triplet superconductivity.
引用
收藏
页码：1686 / 1689
页数：4
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