On superconducting double transition in PrOs4Sb12

Masanori Ichioka, Noriyuki Nakai, Kazushige Machida

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    33 Citations (Scopus)

    Abstract

    Superconducting double transition in PrOs4Sb12 is investigated by analyzing the anisotropy of the upper critical field H c2 in the ab-plane, and the possible pairing state is discussed. When mixing due to gradient coupling is active, the twofold-symmetric component is necessarily induced in the fourfold symmetric phase, leading to the twofold oscillation of Hc2, contrary to the experimental result. To avoid the mixing effect, the weak spin-orbit coupling triplet pairing state is considered as a likely pairing function, where time-reversal symmetry is broken.

    Original languageEnglish
    Pages (from-to)1322-1325
    Number of pages4
    Journaljournal of the physical society of japan
    Volume72
    Issue number6
    DOIs
    Publication statusPublished - Jun 2003

    Keywords

    • H anisotropy
    • Pairing function
    • Unconventional superconductor
    • prossb

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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