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
收藏
页码：941 / 942
页数：2
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