NODELESS D-WAVE PAIRING IN A 2-LAYER HUBBARD-MODEL

被引：92
|
作者：
BULUT, N [1 ]
SCALAPINO, DJ [1 ]
SCALETTAR, RT [1 ]
机构：
[1] UNIV CALIF DAVIS,DEPT PHYS,DAVIS,CA 95616
来源：
PHYSICAL REVIEW B | 1992年 / 45卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.45.5577
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pairing correlations in a two-layer Hubbard model are studied using (1) an Eliashberg-like approximation for the exchange of spin fluctuations and (2) quantum Monte Carlo simulations. A possible pair structure in which the gap has one sign on the bonding and the opposite sign on the antibonding Fermi surface is found. Some implications of this for the transport properties of the cuprate superconductors are discussed.
引用
收藏
页码：5577 / 5584
页数：8
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