PHASE-SEPARATION AND PAIRING IN COUPLED CHAINS AND PLANES

被引：11
作者：
RIERA, JA [1 ]
机构：
[1] VANDERBILT UNIV,DEPT PHYS & ASTRON,NASHVILLE,TN 37235
来源：
PHYSICAL REVIEW B | 1994年 / 49卷 / 05期
关键词：
D O I：
10.1103/PhysRevB.49.3629
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A generalization of the t-J model in a system of two coupled chains or planes is studied by numerical diagonalization of small clusters. In particular, the effect of density fluctuations between these one- or two-dimensional coupled layers on intralayer phase separation and pairing is analyzed. The most robust signals of superconductivity are found at quarter filling for couplings just before the fully interlayer phase separated regime. The possibility of an enhancement of the intralayer superconducting pairing correlations by the interlayer couplings is investigated.
引用
收藏
页码：3629 / 3632
页数：4
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