Microscopic model for a class of mixed-spin quantum antiferromagnets -: art. no. 184417

被引：8

作者：

Alvarez, JV ^{[1
]}

Valentí, R

Zheludev, A

机构：

[1] Univ Saarland, Fak 7, D-66041 Saarbrucken, Germany

[2] Oak Ridge Natl Lab, Div Solid State, Oak Ridge, TN 37831 USA

[3] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW B | 2002年 / 65卷 / 18期

关键词：

D O I：

10.1103/PhysRevB.65.184417

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We propose a microscopic model that describes the magnetic behavior of the mixed-spin quantum systems R2BaNiO5 (R=magnetic rare earth). An evaluation of the properties of this model by quantum Monte Carlo simulations shows remarkable good agreement with the experimental data, and provides insight into the physics of mixed-spin quantum magnets.

引用

页码：1844171 / 1844175

页数：5

共 29 条

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Hufner S., 1978, OPTICAL SPECTRA TRAN

[12] Monte Carlo study of the S=1/2 and S=1 Heisenberg antiferromagnet on a spatially anisotropic square lattice [J].