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Spontaneous appearance of the spin-triplet Fulde-Ferrell-Larkin-Ovchinnikov phase in a two-band model : possible application to LaFeAsO_{1-x}F_{x}

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Spontaneous appearance of the spin-triplet Fulde-Ferrell-Larkin-Ovchinnikov phase in a two-band model : possible application to LaFeAsO_{1-x}F_{x}

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dc.contributor.author Zegrodnik, Michał pl
dc.contributor.author Spałek, Józef [SAP11015561] pl
dc.date.accessioned 2015-04-30T10:25:21Z
dc.date.available 2015-04-30T10:25:21Z
dc.date.issued 2015 pl
dc.identifier.issn 1557-1939 pl
dc.identifier.uri http://ruj.uj.edu.pl/xmlui/handle/item/6257
dc.language eng pl
dc.rights Dodaję tylko opis bibliograficzny *
dc.rights.uri *
dc.title Spontaneous appearance of the spin-triplet Fulde-Ferrell-Larkin-Ovchinnikov phase in a two-band model : possible application to LaFeAsO_{1-x}F_{x} pl
dc.type JournalArticle pl
dc.description.physical 1155-1160 pl
dc.abstract.en The possibility of a spontaneous spin-triplet paired phase of the Fulde-Ferrell-Larkin-Ovchinnikov type is studied. As it is shown in a system with the dominant interband pairing and two distinct Fermi surface sheets, the Fermi wave-vector mismatch can be compensated by a nonzero center-of-mass momentum of the Cooper pairs. This idea is examined with the use of a model which describes the two hole-like bands in the iron-based superconductor. It is shown that for the proper range of model parameters, the minima of the free energy appear which correspond to a nonzero Cooper pair momentum. Different superconducting gap symmetries are analyzed, and the corresponding phase diagrams are shown. pl
dc.subject.en unconventional superconductivity pl
dc.subject.en FFLO phase pl
dc.subject.en iron pnictides pl
dc.description.volume 28 pl
dc.description.number 3 pl
dc.identifier.doi 10.1007/s10948-014-2800-0 pl
dc.identifier.eissn 1557-1947 pl
dc.title.journal Journal of Superconductivity and Novel Magnetism pl
dc.language.container eng pl
dc.affiliation Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego pl
dc.subtype Article pl
dc.rights.original CC-BY-SA; inne; ostateczna wersja wydawcy; w momencie opublikowania; 0; pl
.pointsMNiSW [2015 A]: 15


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