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
收藏
页码：981 / 986
页数：6
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