A Note on Stable States of Dipolar Systems at Low Temperatures
Yusuke Tomita, Katsuyoshi Matsushita, Akiyoshi Kuroda, Ryoko Sugano,, and Hajime Takayama
TL;DR
This paper investigates the stable magnetic configurations of dipolar systems at low temperatures, highlighting how lattice shape influences whether the system exhibits antiferromagnetic or domain structures.
Contribution
It provides an analysis of how lattice geometry affects the stable states of dipolar systems at low temperatures, an area with limited prior focus.
Findings
Some systems exhibit antiferromagnetic structures.
Other systems show magnetic domain structures.
Lattice shape determines the stable magnetic configuration.
Abstract
In the past several years, many important innovations in nanotechnology were made. Today it becomes possible to make nanosize magnetic particles, and development of high storage-density magnetic device is desired. In such a magnetic particle system, dipole interaction plays the main role. In this note, we consider stable states of dipolar systems at low temperature: Some systems show ``antiferromagnetic structure'', and others show magnetic domain structure, depending on lattice shapes.
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