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Showing 1–10 of 10 results
Advanced filters: Author: N. Kikugawa Clear advanced filters

  • Incoherent transport is an important feature of many anisotropic quantum materials but often its origin is not well understood. Here, the authors show that in a layered quantum magnet, incoherence is driven by the interaction of electrons with spin fluctuations after the melting of magnetic order.

    • S. Ghannadzadeh
    • S. Licciardello
    • N. E. Hussey
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-6

  • In Weyl semimetals, unusual electronic transport phenomena are predicted to occur, such as an axial anomaly which violates the conservation of chiral fermions. Here, the authors evidence such behaviour via the occurrence of negative magnetoresistance in layered high-purity non-magnetic metals.

    • N. Kikugawa
    • P. Goswami
    • L. Balicas
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-8

  • The heavy fermion compound URu2Si2displays a hidden order phase and superconductivity at low temperatures. Here, the authors perform substitution studies—partially replacing silicon with phosphorus—and study the effects on hidden order and superconductivity.

    • A. Gallagher
    • K.-W. Chen
    • R. E. Baumbach
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-5

  • Recently, there has been great interest in studying plasmons in strange metals characterized by linear-in-temperature electrical resistivity. Schultz et al. report an EELS in transmission study of plasmons in Sr2RuO4, revealing unrenormalized behavior explained by resilient quasi-particles at high plasmon energy.

    • J. Schultz
    • A. Lubk
    • J. Fink
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • The chemistry of the post-plutonium actinides is thought to resemble lanthanides in that bonding is primarily ionic. Here, the authors show that a californium(III) complex displays significantly different properties to those predicted for the free ion owing to a second break in actinide periodicity.

    • Samantha K. Cary
    • Monica Vasiliu
    • Thomas E. Albrecht-Schmitt
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-8

  • The authors present resonant inelastic x-ray scattering measurements of Sr2RuO4 in the normal Fermi-liquid state. They find that spin excitations are confined below 200 meV, while orbital fluctuations appear only at higher energies. This separation of energy scales is a hallmark of Hund’s-rule-induced electron correlations.

    • H. Suzuki
    • L. Wang
    • B. Keimer
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7

  • Small-angle neutron scattering experiments of the layered antiferromagnet Ca3Ru2O7 reveal a metamagnetic spin texture that is indicative of an extraordinary coexistence of spin orders belonging to different symmetries.

    • D. A. Sokolov
    • N. Kikugawa
    • U. K. Rößler
    Research
    Nature Physics
    Volume: 15, P: 671-677