Strong coupling theory on pseudogap in high-Tc superconductor

被引：11

作者：

Ichinomiya, T ^{[1
]}

Yamada, K ^{[1
]}

机构：

[1] Kyoto Univ, Dept Phys, Kyoto 6068224, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1999年 / 68卷 / 03期

关键词：

superconductivity; pseudogap; ARPES; high-T-c superconductor;

D O I：

10.1143/JPSJ.68.981

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We calculate one-particle spectrum A(k, omega) in the presence of strong d-wave attractive inter action. We use the self-consistent T-matrix approximation and get anomalous behavior of the spectrum at low temperatures. The anomaly is characterized by a three-peak structure of the spectrum A(k = (pi, 0), omega). We also compare our result with that obtained hy the angle resolved photoemission spectroscopy and discuss the essential nature of the pseudogap.

引用

页码：981 / 986

页数：6

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