Reentrant Vortex Lattice Transformation in Fourfold Symmetric Superconductors

N. Nakai, P. Miranović, M. Ichioka, K. Machida

    Research output: Contribution to journalArticlepeer-review

    74 Citations (Scopus)

    Abstract

    The physics behind the [Formula presented] flux line lattice transformation in increasing fields is clarified on the basis of Eilenberger theory. We demonstrate that this reentrance observed in [Formula presented] is due to intrinsic competition between the superconducting gap and Fermi surface anisotropies. The calculations not only reproduce it but also predict the not yet found lock-in transition to a square lattice with different orientation in a higher field. In view of the physical origin given, this sequence of transitions is rather generic to occur in fourfold symmetric superconductors.

    Original languageEnglish
    JournalPhysical Review Letters
    Volume89
    Issue number23
    DOIs
    Publication statusPublished - 2002

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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