To the mean-field theory of a two-sublattice antiferromagnet
Numerical solutions of the mean-field theory of a two-sublattice antiferromagnet with a strong crystalline electric field are studied. The validity of the solutions was checked with the help of known analytical results for the special case of the lowest doublet (S - 1/2). For larger values of the...
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| Опубліковано в: : | Физика низких температур |
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| Дата: | 2006 |
| Автори: | , |
| Формат: | Стаття |
| Мова: | Англійська |
| Опубліковано: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2006
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| Теми: | |
| Онлайн доступ: | https://nasplib.isofts.kiev.ua/handle/123456789/120219 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | To the mean-field theory of a two-sublattice antiferromagnet / A.A. Zvyagin, G.A. Skorobagat’ko // Физика низких температур. — 2006. — Т. 32, № 7. — С. 845–852. — Бібліогр.: 14 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | Numerical solutions of the mean-field theory of a two-sublattice antiferromagnet with a strong
crystalline electric field are studied. The validity of the solutions was checked with the help of
known analytical results for the special case of the lowest doublet (S - 1/2). For larger values of the
lowest multiplet (S > 1/2) the temperature and magnetic field dependencies of the antiferromagnetic
order parameter and the total magnetization are calculated and their features are analyzed. We predict
new re-entrant phase transitions between Nеel and paramagnetic phases for S ≥ 1.
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| ISSN: | 0132-6414 |