Phys. Rev. B 43, 10124–10131 (1991)π phase in magnetic-layered superconductorsReceived 7 January 1991; published in the issue dated 1 May 1991 We show that in a system composed of alternating superconducting and magnetic layers the ground state may be the so-called ‘‘π phase,’’ wherein the superconducting order parameter changes its sign as we go from one superconducting layer to another. This phase is similar to the Larkin-Ovchinnikov-Fulde-Ferrell phase. We find that the π phase exists, under certain conditions, in the presence of both ferro- and antiferromagnetism. © 1991 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.43.10124
DOI:
10.1103/PhysRevB.43.10124
PACS:
74.20.-z, 74.50.+r
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