Single hole dynamics in the CuO2 plane at half filling

被引：84

作者：

Pothuizen, JJM ^{[1
]}

Eder, R ^{[1
]}

Hien, NT ^{[1
]}

Matoba, M ^{[1
]}

Menovsky, AA ^{[1
]}

Sawatzky, GA ^{[1
]}

机构：

[1] UNIV AMSTERDAM,VAN DER WAALS ZEEMAN LAB,NL-1018 XE AMSTERDAM,NETHERLANDS

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.78.717

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a k-dependent study of the single hole states in Sr2CuO2Cl2. We demonstrate that the controversial ''1 eV peaks'' in the high T-c's are quasiparticles derived from the same O 2p states as the Zhang-Rice (ZR) singlets, but of different symmetry and intensity in those regions of the Brillouin zone where the hybridization with the correlated Cu 3d states vanishes by symmetry. We use this new source of information to estimate the quasiparticle weight of the ZR singlets, discuss the quasiparticle line shape, and suggest a strong k dependence of the self-energy.

引用

页码：717 / 720

页数：4

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