HIDDEN WEAK FERROMAGNETISM IN SLIGHTLY DOPED ANTIFERROMAGNETS

被引：0

作者：

KRASNITZ, A ^{[1
]}

KOVNER, A ^{[1
]}

机构：

[1] TEL AVIV UNIV,SCH PHYS & ASTRON,RAYMOND & BEVERLY SACKLER FAC EXACT SCI,IL-69978 TEL AVIV,ISRAEL

来源：

PHYSICAL REVIEW B | 1990年 / 41卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.41.547

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The slightly doped Hubbard model at finite temperature is analyzed in the spin-wave expansion. It is found that in d=2 weak uniform magnetization perpendicular to the staggered magnetization is present for any finite doping fraction. In d=3 there is no net magnetization for doping fractions smaller than some critical one. We suggest that this mechanism can be responsible for recent experimental observations of in-plane spin canting in La2CuO4. © 1990 The American Physical Society.

引用

页码：547 / 552

页数：6

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