Low-energy electronic structure of the high-Tc cuprates La2-xSrxCuO4 studied by angle-resolved photoemission spectroscopy

被引：163

作者：

Yoshida, T. ^{[1
]}

Zhou, X. J.

Lu, D. H.

Komiya, Seiki

Ando, Yoichi

Eisaki, H.

Kakeshita, T.

Uchida, S.

Hussain, Z.

Shen, Z-X

Fujimori, A.

机构：

[1] Univ Tokyo, Dept Complex Sci & Engn, Kashiwa, Chiba 2778561, Japan

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

[3] Stanford Univ, Stanford Synchrotron Radiat Lab, Stanford, CA 94305 USA

[4] Cent Res Inst Elect Power Ind, Komae, Tokyo 2018511, Japan

[5] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

[6] ISTEC, Superconduct Res Lab, Koto Ku, Tokyo 1350062, Japan

[7] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[8] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2007年 / 19卷 / 12期

关键词：

D O I：

10.1088/0953-8984/19/12/125209

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have performed a systematic angle-resolved photoemission spectroscopy (ARPES) study of the high-T-c cuprates La2-xSrxCuO4, ranging from the underdoped insulator to the superconductor to the overdoped metal. We have revealed a systematic doping evolution of the band dispersions and (underlying) Fermi surfaces, pseudogap and quasi-particle features under the influence of strong electron-electron interaction and electron-phonon interaction. The unusual transport and thermodynamic properties are explained by taking into account the pseudogap opening and the Fermi arc formation, due to which the carrier number decreases as the doped hole concentration decreases.

引用

页数：23

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