Кл.слова (ненормированные):
Antiferromagnetic orderings -- Antiferromagnetic orders -- Antiferromagnetic phasis -- Antiferromagnetics -- Cooper instability -- Effect of pressure -- External pressures -- Heavy fermion -- Impurity level -- Localized state -- Periodic Anderson model -- Seed energy -- Spin moments -- Superconducting ordering -- Superexchange interaction -- Superconductivity -- Antiferromagnetism
Аннотация: Characteristics of the superconducting and antiferromagnetic phases of heavy-fermion intermet-allides are described within a periodic Anderson model with allowance for the superexchange interaction between spin moments of the localized states. It is shown that an external pressure that changes the seed energy of an impurity level can rapidly destroy the long-range antiferromagnetic order. The development of the Cooper instability near such an order-disorder transition induces the experimentally observed state in which superconductivity coexists with the antiferromagnetic ordering. В© 2012 Allerton Press, Inc.
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Доп.точки доступа:
Zlotnikov, A. O.; Злотников, Антон Олегович; Вальков, Валерий Владимирович; International Interdisciplinary Symposium “Ordering in Minerals and Alloys” (14th ; 8 -13 Sept. 2011 ; Rostov-on-Don)