CONSISTENT DESCRIPTION OF HIGH-TC SUPERCONDUCTORS WITH THE 3-BAND HUBBARD-MODEL

被引：102

作者：

DOPF, G ^{[1
]}

MURAMATSU, A ^{[1
]}

HANKE, W ^{[1
]}

机构：

[1] FORSCHUNGSZENTRUM JULICH, HOCHSTLEISTUNGSRECHENZENTRUM, W-5170 JULICH 1, GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.68.353

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A direct comparison of quantum Monte Carlo results with experimental values for the charge-transfer gap leads to a set of parameters for the three-band Hubbard model that consistently describes salient features of high-T(c) superconductors. The temperature and doping dependence of the normal-state magnetic susceptibility agrees qualitatively with experiments. Furthermore, the interaction vertex for the pairing correlation function in the extended s channel shows a maximum for delta approximately 20%, resembling the dependence of T(c) on doping.

引用

页码：353 / 356

页数：4

共 30 条

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