The Fulde-Ferrell-Larkin-Ovchinnikov State in Pnictides

被引：42
|
作者：
Ptok, Andrzej [1 ]
Crivelli, Dawid [1 ]
机构：
[1] Univ Silesia, Inst Phys, PL-40007 Katowice, Poland
来源：
JOURNAL OF LOW TEMPERATURE PHYSICS | 2013年 / 172卷 / 3-4期
关键词：
FFLO; Pnictides; SUPERCONDUCTIVITY; CECOIN5;
D O I：
10.1007/s10909-013-0871-0
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Fe-based superconductors (FeSC) exhibit all the properties of systems that allow the formation of a superconducting phase with oscillating order parameter, called the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase. By the analysis of the Cooper pair susceptibility in two-band FeSC, such systems are shown to support the existence of a FFLO phase, regardless of the exhibited order parameter symmetry. We also show the state with nonzero Cooper pair momentum, in superconducting FeSC with similar to cos(k (x) )a <...cos(k (y) symmetry, to be the ground state of the system in a certain parameter range.
引用
收藏
页码：226 / 233
页数：8
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