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Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds

Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds

The sawtooth chain with pairs of S = 1/2 spins interacting with XXZ-interactions placed on each second tooth is considered. All other interaction bonds are taken to be of Ising type. Exact statistical mechanical solution of the model within the direct transfer-matrix technique is obtained. The sol...

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Main Author: Ohanyan, V.
Format: Article
Language:English
Published: Інститут фізики конденсованих систем НАН України 2009
Series:Condensed Matter Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/120000
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spelling irk-123456789-1200002017-06-11T03:03:55Z Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds Ohanyan, V. The sawtooth chain with pairs of S = 1/2 spins interacting with XXZ-interactions placed on each second tooth is considered. All other interaction bonds are taken to be of Ising type. Exact statistical mechanical solution of the model within the direct transfer-matrix technique is obtained. The solution allows one to obtain exact analytic expressions for all thermodynamic functions of the model. Ground state properties are also investigated, the corresponding ground state phase diagram is presented. Розглядається пилкоподiбний ланцюжок з парами S = 1/2 спiнiв, що взаємодiють з XXZ взаємодiєю i розташованi на фрагментi кожного другого зубця пилки. Всi iншi взаємодiї взятi типу взаємодiї Iзинга. Отримано точний статистико-механiчний розв’язок моделi прямим методом матрицi переносу. Розв’язок дозволяє отримати точнi аналiтичнi вирази для всiх термодинамiчних функцiй моделi. Дослiджено також властивостi в основному станi i представлена вiдповiдна фазова дiаграма в основному станi. 2009 Article Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds / V. Ohanyan // Condensed Matter Physics. — 2009. — Т. 12, № 3. — С. 343-351. — Бібліогр.: 26 назв. — англ. 1607-324X PACS: 75.10.Pq DOI:10.5488/CMP.12.3.343 http://dspace.nbuv.gov.ua/handle/123456789/120000 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 The sawtooth chain with pairs of S = 1/2 spins interacting with XXZ-interactions placed on each second tooth is considered. All other interaction bonds are taken to be of Ising type. Exact statistical mechanical solution of the model within the direct transfer-matrix technique is obtained. The solution allows one to obtain exact analytic expressions for all thermodynamic functions of the model. Ground state properties are also investigated, the corresponding ground state phase diagram is presented.
format Article
author Ohanyan, V.
spellingShingle Ohanyan, V.
Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds
Condensed Matter Physics
author_facet Ohanyan, V.
author_sort Ohanyan, V.
title Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds
title_short Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds
title_full Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds
title_fullStr Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds
title_full_unstemmed Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds
title_sort antiferromagnetic sawtooth chain with heisenberg and ising bonds
publisher Інститут фізики конденсованих систем НАН України
publishDate 2009
url http://dspace.nbuv.gov.ua/handle/123456789/120000
citation_txt Antiferromagnetic sawtooth chain with Heisenberg and Ising bonds / V. Ohanyan // Condensed Matter Physics. — 2009. — Т. 12, № 3. — С. 343-351. — Бібліогр.: 26 назв. — англ.
series Condensed Matter Physics
work_keys_str_mv AT ohanyanv antiferromagneticsawtoothchainwithheisenbergandisingbonds
first_indexed 2023-10-18T20:35:59Z
last_indexed 2023-10-18T20:35:59Z
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