MAGNETIC FRUSTRATION IN THE 3-BAND ANDERSON LATTICE MODEL FOR HIGH-TEMPERATURE SUPERCONDUCTORS

被引：29

作者：

IHLE, D

KASNER, M

机构：

来源：

PHYSICAL REVIEW B | 1990年 / 42卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.42.4760

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The three-band Anderson lattice model for the CuO2 planes in high-Tc superconductors is established. Treating this model by perturbation theory, the effective spin interactions are derived. The antiferromagnetic superexchange integrals are calculated as functions of the direct oxygen transfer and the hole concentration. It is found that frustration in the superexchange occurs, even in the undoped case, which increases with oxygen trnasfer and decreases with hole concentration. © 1990 The American Physical Society.

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页码：4760 / 4762

页数：3

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