Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках
Для описания структуры сложного магнитоупругого топологического дефекта, представляющего собой связанное состояние дислокации и магнитной дисклинации в антиферромагнетике, предложена двумерная модель, обобщающая модель Пайерлса на случай связанных полей распределения намагниченности и упругих смещен...
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Дата: | 1998 |
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Автори: | , |
Формат: | Стаття |
Мова: | Russian |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
1998
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Назва видання: | Физика низких температур |
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Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/176587 |
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Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
Цитувати: | Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках / О.К. Дудко , А.С. Ковалев // Физика низких температур. — 1998. — Т. 24, № 6. — С. 559-570. — Бібліогр.: 11 назв. — рос. |
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irk-123456789-1765872021-02-06T01:27:01Z Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках Дудко, О.К. Ковалев, А.С. Низкоразмерные и неупорядоченные системы Для описания структуры сложного магнитоупругого топологического дефекта, представляющего собой связанное состояние дислокации и магнитной дисклинации в антиферромагнетике, предложена двумерная модель, обобщающая модель Пайерлса на случай связанных полей распределения намагниченности и упругих смещений. Получена система нелинейных одномерных интегро-дифференциальных уравнений, допускающая решения для магнитных вихрей и cвязанных с дислокациями магнитных дисклинаций с правильными асимптотиками на больших расстояниях и без особенностей в ядре топологического дефекта. Для опису структури складного магнітопружнього топологічного дефекту, що являє собою зв’язаний стан дислокації та магнітної дисклинації в антиферомагнетику, запропоновано двовимірну модель, яка узагальнює модель Пайєрлса на випадок зв’язаних полів розподілу намагніченості та пружніх зміщень. Одержано систему нелінійних одновимірних інтегро-диференціальних рівнянь, що припускає рішення для магнітних вихорів і зв’язаних з дислокаціями магнітних дисклинацій з правильними асимптотиками на великих відстанях та без особливостей в ядрі топологічного дефекту. A two-dimensional model generalizing the Peierls model to the case of coupled fields of magnetization and elastic displacement distribution is proposed for describing the structure of a complex magnetoelastic topological defect which has the form of the bound state of a dislocation and a magnetic disclination in an antiferromagnet. The obtained system of nonlinear one-dimensional integro-differential equations has solutions for magnetic vortices and for magnetic disclinations connected with dislocations and having regular asymptotic forms at large distances and no singularities at the core of the topological defect. 1998 Article Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках / О.К. Дудко , А.С. Ковалев // Физика низких температур. — 1998. — Т. 24, № 6. — С. 559-570. — Бібліогр.: 11 назв. — рос. 0132-6414 PACS: 75.10.-b, 75.50.Ee http://dspace.nbuv.gov.ua/handle/123456789/176587 ru Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
collection |
DSpace DC |
language |
Russian |
topic |
Низкоразмерные и неупорядоченные системы Низкоразмерные и неупорядоченные системы |
spellingShingle |
Низкоразмерные и неупорядоченные системы Низкоразмерные и неупорядоченные системы Дудко, О.К. Ковалев, А.С. Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках Физика низких температур |
description |
Для описания структуры сложного магнитоупругого топологического дефекта, представляющего собой связанное состояние дислокации и магнитной дисклинации в антиферромагнетике, предложена двумерная модель, обобщающая модель Пайерлса на случай связанных полей распределения намагниченности и упругих смещений. Получена система нелинейных одномерных интегро-дифференциальных уравнений, допускающая решения для магнитных вихрей и cвязанных с дислокациями магнитных дисклинаций с правильными асимптотиками на больших расстояниях и без особенностей в ядре топологического дефекта. |
format |
Article |
author |
Дудко, О.К. Ковалев, А.С. |
author_facet |
Дудко, О.К. Ковалев, А.С. |
author_sort |
Дудко, О.К. |
title |
Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках |
title_short |
Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках |
title_full |
Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках |
title_fullStr |
Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках |
title_full_unstemmed |
Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках |
title_sort |
магнитоструктурные топологические дефекты в двумерных антиферромагнетиках |
publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
publishDate |
1998 |
topic_facet |
Низкоразмерные и неупорядоченные системы |
url |
http://dspace.nbuv.gov.ua/handle/123456789/176587 |
citation_txt |
Магнитоструктурные топологические дефекты в двумерных антиферромагнетиках / О.К. Дудко , А.С. Ковалев // Физика низких температур. — 1998. — Т. 24, № 6. — С. 559-570. — Бібліогр.: 11 назв. — рос. |
series |
Физика низких температур |
work_keys_str_mv |
AT dudkook magnitostrukturnyetopologičeskiedefektyvdvumernyhantiferromagnetikah AT kovalevas magnitostrukturnyetopologičeskiedefektyvdvumernyhantiferromagnetikah |
first_indexed |
2025-07-15T13:25:10Z |
last_indexed |
2025-07-15T13:25:10Z |
_version_ |
1837719524738072576 |
fulltext |
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