Interrelation of superconducting and antiferromagnetic gaps in High-Tc compounds:: A test case for the SO(5) theory

被引：23

作者：

Zacher, MG ^{[1
]}

Hanke, W

Arrigoni, E

Zhang, SC

机构：

[1] Univ Wurzburg, Inst Theoret Phys, D-97074 Wurzburg, Germany

[2] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 04期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.85.824

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Recent angle resolved photoemission data, which found evidence for a d-wave-like modulation of the antiferromagnetic gap, suggest an intimate interrelation between the antiferromagnetic insulator and the superconductor with its LI-wave gap. It is shown here that a projected SO(5) theory, which explicitly takes the Mott-Hubbard gap into account, correctly describes the observed gap characteristics. Specifically, it accounts for the order of magnitude difference between the antiferromagnetic gap modulation and the superconducting gap and is also consistent with the gap dispersion.

引用

页码：824 / 827

页数：4

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