Тип публикации: статья из журнала (материалы конференций, опубликованные в журналах)
Конференция: International Conference on Strongly Correlated Electron Systems (SECES 05); Vienna, AUSTRIA; Vienna, AUSTRIA
Год издания: 2006
Идентификатор DOI: 10.1016/j.physb.2006.01.223
Ключевые слова: heavy fermions; antiferromagnetic canted phase
Аннотация: On the basis of extended periodic Anderson model with anti ferromagnetic (AFM) exchange and s-f exchange interactions the energy spectrum of heavy-fermion (HF) AFM metals is calculated. The quasiparticle band structure in collinear AFM phase is described by four splitted bands one of which is very narrow (order of exchange interactПоказать полностьюion constant) and lies in the vicinity of a localized level. Application of an external magnetic field causes a canting of the sublattice magnetization and due to s-f exchange interaction strongly modifies the HF band picture. Thus eight different quasiparticle bands appear. Their evolution when temperature and magnetic field change is studied. (c) 2006 Elsevier B.V. All rights reserved.
Журнал: PHYSICA B-CONDENSED MATTER
Выпуск журнала: Vol. 378-80
Номера страниц: 692-693
ISSN журнала: 09214526
Место издания: AMSTERDAM
Издатель: ELSEVIER SCIENCE BV