Magnetic-Field-Enhanced Incommensurate Magnetic Order in the Underdoped High-Temperature Superconductor YBa2Cu3O6.45

D. Haug, V. Hinkov, A. Suchaneck, D.S. Inosov, Niels Bech Christensen, C. Niedermayer, P. Bourges, Y. Sidis, J.T. Park, A. Ivanov, C.T. Lin, J. Mesot, B. Keimer

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    Abstract

    We present a neutron-scattering study of the static and dynamic spin correlations in the underdoped high-temperature superconductor YBa2Cu3O6.45 in magnetic fields up to 15 T. The field strongly enhances static incommensurate magnetic order at low temperatures and induces a spectral-weight shift in the magnetic-excitation spectrum. A reconstruction of the Fermi surface driven by the field-enhanced magnetic superstructure may thus be responsible for the unusual Fermi surface topology revealed by recent quantum-oscillation experiments.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume103
    Issue number1
    Pages (from-to)017001
    ISSN0031-9007
    DOIs
    Publication statusPublished - 2009

    Bibliographical note

    Copyright (2009) by the American Physical Society.

    Keywords

    • Materials research
    • Superconducting materials for the energy sector

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