Existence of a quasiparticle remnant in angle-resolved photoemission spectrum of La2-xSrxCuO4

被引：0

作者：

Lindroos, M.

Arpiainen, V.

Sahrakorpi, S.

Markiewicz, R. S.

Zhou, X. J.

Yoshida, T.

Yang, W. L.

Kakeshita, T.

Eisaki, H.

Uchida, S.

Fujimori, A.

Hussain, Z.

Shen, Z.-X.

Bansil, A.

机构：

[1] Tampere Univ Technol, Inst Phys, FIN-33101 Tampere, Finland

[2] Northeastern Univ, Dept Phys, Boston, MA 02115 USA

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

[4] Stanford Univ, Dept Appl Phys, Stanford Synchrotron Radiat Lab, Stanford, CA 94305 USA

[5] Univ Tokyo, Dept Complex Sci & Engn, Chiba 277, Japan

[6] ISTEC, Superconduct Res Lab, Tokyo 135, Japan

[7] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 305, Japan

[8] Univ Tokyo, Dept Phys, Tokyo 113, Japan

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2007年 / 460卷

关键词：

La2-xSrxCuO4; electronic structure; fermi surface; ARPES;

D O I：

10.1016/j.physc.2007.03.358

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We compare first-principles angle-resolved photoemission (ARPES) computations with the corresponding measurements from an underdoped single crystal of La2-xSrxCuO4 (LSCO) using an experimental geometry different from that employed in earlier work [S. Sahrakorpi et al., Phys. Rev. Lett. 95 (2005) 157601, T. Yoshida et al., Phys. Rev. B 74 (2006) 224510]. A high level of accord is found between theory and experiment extending over the first and higher Brillouin zones (BZs), further supporting the notion that a quasiparticle remnant persists in LSCO despite the presence of strong correlation effects in the system. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：941 / 942

页数：2

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