Universality of low-energy mass renormalization in the superconducting state of hole-doped high-Tc superconductors

被引：4

作者：

Sato, Takafumi ^{[1
]}

Terashima, Kensei

Nakayama, Kosuke

Matsui, Hiroaki

Takahashi, Takashi

Kadowaki, Kazuo

Kofu, Maiko

Hirota, Kazuma

机构：

[1] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

[2] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan

[3] Univ Tokyo, Inst Solid State Phys, Chiba 2778581, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2007年 / 76卷 / 10期

关键词：

electronic structure; ARPES; superconductivity; cuprate;

D O I：

10.1143/JPSJ.76.103707

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have performed high-resolution angle-resolved photoemission spectroscopy on high-T-c superconductors La1.85Sr0.15CuO4 (LSCO) and Bi2SrZCaCu(2)O(8+delta) (Bi2212) to study the universality of manybody interaction in hole-doped high-T-c superconductors. We found that the emergence of kink in the dispersion in the off-nodal region at the superconducting state is a common feature, while the energy scale of kink is remarkably different between LSCO and Bi2212. We conclude that the coupling of electrons with spin excitations at the off-nodal region is universal in hole-doped high-T-c cuprates.

引用

页数：4

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