CRITICAL PROPERTIES OF DILUTE HEISENBERG AND ISING MAGNETS

被引：58

作者：

STINCHCOMBE, RB

机构：

[1] Theoretical Physics Department, Oxford OX1 3NP

来源：

JOURNAL OF PHYSICS C-SOLID STATE PHYSICS | 1979年 / 12卷 / 21期

关键词：

D O I：

10.1088/0022-3719/12/21/020

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Bond- and site-diluted spin-1/2 Heisenberg and Ising ferro- and antiferromagnets in one, two and three dimensions are treated by a real-space scaling method. Critical parameters (pure transition temperature, where non-zero, and percolation concentration) and critical exponents are evaluated. The critical curves of the simple cubic spin-1/2 diluted Heisenberg and Ising systems are also obtained and agree very well with experimental results for KMnpMg1-pF3 and CopZn1-pCs3Cl5.

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页码：4533 / 4552

页数：20

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