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Modulated structures in the ANNNI model with an external magnetic field near criticality

Modulated structures in the ANNNI model with an external magnetic field near criticality

Conditions for a phase transition from the paramagnetic state to the modulated structure are found in a class of anisotropic Ising models with an external magnetic field. The critical value of the external magnetic field is obt...

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Main Authors: Gonchar, N.S., Hajduk, H.G.
Format: Article
Language:English
Published: Інститут фізики конденсованих систем НАН України 1999
Series:Condensed Matter Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/119922
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spelling irk-123456789-1199222017-06-11T03:02:59Z Modulated structures in the ANNNI model with an external magnetic field near criticality Gonchar, N.S. Hajduk, H.G. Conditions for a phase transition from the paramagnetic state to the modulated structure are found in a class of anisotropic Ising models with an external magnetic field. The critical value of the external magnetic field is obtained. Branching equations are derived and small branching theorems are proven for commensurate and incommensurate configurations. Знайдено умови фазового переходу із парамагнітного стану до модульованої структури в класі анізотропних моделей Ізінга з зовнішнім магнітним полем. Обчислено значення критичного магнітного поля. Отримані рівняння галуження та доведені теореми про малі галуження для співмірних та неспівмірних конфігурацій. 1999 Article Modulated structures in the ANNNI model with an external magnetic field near criticality / N.S. Gonchar, H.G. Hajduk // Condensed Matter Physics. — 1999. — Т. 2, № 1(17). — С. 3-14. — Бібліогр.: 8 назв. — англ. 1607-324X DOI:10.5488/CMP.2.1.3 PACS: 05.50.+q, 64.60.Cn http://dspace.nbuv.gov.ua/handle/123456789/119922 en Condensed Matter Physics Інститут фізики конденсованих систем НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
description Conditions for a phase transition from the paramagnetic state to the modulated structure are found in a class of anisotropic Ising models with an external magnetic field. The critical value of the external magnetic field is obtained. Branching equations are derived and small branching theorems are proven for commensurate and incommensurate configurations.
format Article
author Gonchar, N.S.
Hajduk, H.G.
spellingShingle Gonchar, N.S.
Hajduk, H.G.
Modulated structures in the ANNNI model with an external magnetic field near criticality
Condensed Matter Physics
author_facet Gonchar, N.S.
Hajduk, H.G.
author_sort Gonchar, N.S.
title Modulated structures in the ANNNI model with an external magnetic field near criticality
title_short Modulated structures in the ANNNI model with an external magnetic field near criticality
title_full Modulated structures in the ANNNI model with an external magnetic field near criticality
title_fullStr Modulated structures in the ANNNI model with an external magnetic field near criticality
title_full_unstemmed Modulated structures in the ANNNI model with an external magnetic field near criticality
title_sort modulated structures in the annni model with an external magnetic field near criticality
publisher Інститут фізики конденсованих систем НАН України
publishDate 1999
url http://dspace.nbuv.gov.ua/handle/123456789/119922
citation_txt Modulated structures in the ANNNI model with an external magnetic field near criticality / N.S. Gonchar, H.G. Hajduk // Condensed Matter Physics. — 1999. — Т. 2, № 1(17). — С. 3-14. — Бібліогр.: 8 назв. — англ.
series Condensed Matter Physics
work_keys_str_mv AT goncharns modulatedstructuresintheannnimodelwithanexternalmagneticfieldnearcriticality
AT hajdukhg modulatedstructuresintheannnimodelwithanexternalmagneticfieldnearcriticality
first_indexed 2023-10-18T20:35:46Z
last_indexed 2023-10-18T20:35:46Z
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