Blume-Capel Ising ferromagnet with competing crystal-field interactions

被引：8

作者：

Snowman, Daniel P. ^{[1
]}

机构：

[1] Rhode Isl Coll, Dept Phys Sci, Providence, RI 02908 USA

来源：

PHYSICAL REVIEW E | 2009年 / 79卷 / 04期

关键词：

critical exponents; crystal field interactions; ferromagnetism; Ising model; magnetic transitions; renormalisation; EMERY-GRIFFITHS MODEL; RENORMALIZATION-GROUP; SPIN-GLASS; PHASE-TRANSITIONS; DIAGRAMS; SYSTEMS;

D O I：

10.1103/PhysRevE.79.041126

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

This investigation employs a hierarchical lattice and renormalization-group methodology to probe the effects of competing crystal-field interactions in a Blume-Capel Ising system. Several phase diagrams have been produced in temperature-crystal-field space as the strength of the competing crosslink crystal-field interactions is varied. Each sink has been interpreted and critical exponents have been calculated for the higher-order transitions.

引用

页数：7

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