Effective t-J model of pairing: singlet versus triplet

被引：0
|
作者：
Spalek, J. [1 ]
机构：
[1] Jagiellonian Univ, Marian Smoluchowski Inst Phys, PL-30059 Krakow, Poland
来源：
CONDENSED MATTER PHYSICS | 2008年 / 11卷 / 03期
关键词：
t-J model; real space pairing; strong correlations; singlet pairing; triplet pairing; superconductivity;
D O I：
暂无
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The t-J model is regarded as a canonical model of spin-singlet pairing induced by the kinetic exchange interaction also responsible for an antiferromagnetic ordering in the strongly correlated narrow-band systems. In the orbitally degenerate systems both ferromagnetic and antiferromagnetic kinetic exchange interactions occur. I briefly review the analogy between the singlet and triplet types of pairing, as well as draw some general conclusions about the pairing induced by these exchange interactions. The general discussion is also illustrated with a concrete case of a two-dimensional lattice with the spin triplet pairing.
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收藏
页码：455 / 462
页数：8
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