Antiferromagnetism and its relation to the superconducting phases of UPt3

E.D. Isaacs, P. Zschack, C.L. Broholm, C. Burns, G. Aeppli, A.P. Ramirez, T.T.M. Palstra, R.W. Erwin, N. Stucheli

    Research output: Contribution to journalJournal articleResearch

    Abstract

    Using magnetic x-ray and neutron diffraction in UPt3, we find that a suppression of the antiferromagnetic scattering intensity in the superconducting phase is due to a reduction in the magnitude of the staggered moment with no change in symmetry. The existence of the suppression as well as the magnetic correlation lengths are not affected by the presence or absence of a visible splitting in the superconducting transition. The simplest models wherein antiferromagnetic order provides the symmetry-breaking field for the splitting do not provide a compete explanation of our results.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume75
    Issue number6
    Pages (from-to)1178-1181
    ISSN0031-9007
    DOIs
    Publication statusPublished - 1995

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