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Showing 1–3 of 3 results
Advanced filters: Author: C. D. Malliakas Clear advanced filters

  • Charge density waves are described by a complex order parameter whose amplitude is expected to vanish at the transition temperature. This study shows that the transition in 2H-NbSe2is driven by fluctuations of the phase of the order parameter, with a finite amplitude surviving in the disordered state.

    • U. Chatterjee
    • J. Zhao
    • S. Rosenkranz
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • A new family of superconductors containing layers of iron arsenide has attracted considerable interest because of their high transition temperatures and similarities with the high-Tc copper oxide superconductors. This paper reports inelastic neutron scattering observations of a magnetic resonance below Tc in Ba0.6K0.4Fe2As2, demonstrating that the superconducting energy gap has unconventional symmetry.

    • A. D. Christianson
    • E. A. Goremychkin
    • T. Guidi
    Research
    Nature
    Volume: 456, P: 930-932