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http://elartu.tntu.edu.ua/handle/123456789/991
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Dublin Core Alanı | Değer | Dil |
---|---|---|
dc.contributor.author | Дідух, Леонід Дмитрович | uk |
dc.contributor.author | Крамар, Олександр Іванович | uk |
dc.contributor.author | Скоренький, Юрій Любомирович | uk |
dc.contributor.author | Дубик, Сергій Орестович | uk |
dc.contributor.author | Dubyk, Serhij | en |
dc.contributor.author | Skorenkyy, Yuriy | en |
dc.contributor.author | Kramar, Oleksandr | en |
dc.contributor.author | Didukh, Leonid | en |
dc.date.accessioned | 2011-05-07T10:01:43Z | - |
dc.date.available | 2011-05-07T10:01:43Z | - |
dc.date.issued | 2011 | - |
dc.identifier.uri | http://elartu.tntu.edu.ua/handle/123456789/991 | - |
dc.description.abstract | In this work the indirect interactions in narrow-band material connected with both the charge transfer and licalized magnetic moment exchange has been analised within the effectiwe Hamiltonain approach. Using new projection procedure for Green function method a system of equations for chemical potential and magnetization has been obtained. On this base, Neel temperature for narrow-band antiferromagnet has been calculated. It has been shown that for realistic model energy parameters, antiferromagnetic order disappears even for low values of holes concentration, thus doping of Mott-Hubbard insulator destabilizes antiferromagnetism. It allows us to interpret concentrational dependence of Neel temperature observed in narrow band materials. | uk |
dc.language.iso | uk | uk |
dc.publisher | Тернопільський національний технічний університет ім. Івана Пулюя | uk |
dc.subject | сильнокорельовані електронні системи | uk |
dc.subject | антиферомагнетизм | uk |
dc.subject | температура Нееля | uk |
dc.subject | strongly correlated electronic systems | en |
dc.subject | anti-ferromagnetism | en |
dc.title | Аналітичний метод для дослідження антиферомагнітного впорядкування в моделі мотт-габбардівського матеріалу | uk |
dc.title.alternative | Analytical method for investigation of antiferromagnetic ordering in a model of Mott-Hubbard material | uk |
dc.type | Preprint | uk |
dc.coverage.placename | Тернопіль, Україна | uk |
dc.subject.udc | 538.955 | uk |
Koleksiyonlarda Görünür: | Ⅰ науково-технічна конференція „Інформаційні моделі, системи та технології“ (2011) |
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