Mutual enhancement of magnetism and Fulde-Ferrell-Larkin-Ovchinnikov superconductivity in CeCoIn5

被引：22
|
作者：
Mierzejewski, Marcin [1 ]
Ptok, Andrzej [1 ]
Maska, Maciej M. [1 ]
机构：
[1] Silesian Univ, Inst Phys, PL-40007 Katowice, Poland
来源：
PHYSICAL REVIEW B | 2009年 / 80卷 / 17期
关键词：
cerium alloys; cobalt alloys; Cooper pairs; heavy fermion superconductors; indium alloys; spin density waves;
D O I：
10.1103/PhysRevB.80.174525
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Recent experiments on CeCoIn5 suggest an unusual interplay between superconducting and magnetic orders that gives rise to a multicomponent (magnetosuperconducting) phase. We demonstrate that characteristics of CeCoIn5 make this system particularly well suited for the onset of such a phase. Based on general considerations, we show that superconductivity with nonzero Cooper-pair momentum may lead to an enhancement of the spin-spin response function and, simultaneously, incommensurate spin-density wave may enhance the Cooper-pair susceptibility.
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页数：6
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