Phase Transitions in a Two-Dimensional Dipole Ferrimagnet

被引：2

作者：

Karetnikova, I. R. ^{[1
,2
]}

Mukhamatchin, K. R. ^{[2
]}

Nefedov, I. M. ^{[1
,2
]}

Sapozhnikov, M. V. ^{[1
,2
]}

Fraerman, A. A. ^{[1
,2
]}

Shereshevskii, I. A. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, Inst Phys Microstruct, Nizhnii Novgorod 603950, Russia

[2] Lobachevsky State Univ, Nizhnii Novgorod 603950, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2014年 / 118卷 / 03期

基金：

俄罗斯基础研究基金会;

关键词：

STATES; CHAIN;

D O I：

10.1134/S1063776114030042

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The magnetic configurations of the system of magnetic dipoles that have different values and are arranged in a staggered order on a square lattice are studied. A numerical simulation is used to study the phase transitions in the system when the mismatch between the dipoles changes. The restructuring of the magnetic configuration of the system induced by a change in the mismatch is shown to proceed via sequential second-order phase transitions between collinear and noncollinear phases. The numerical simulation results are supported by analytical calculations performed with trial functions.

引用

页码：432 / 441

页数：10

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