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Showing 1–4 of 4 results
Advanced filters: Author: Rina Tazai Clear advanced filters

  • Unconventional charge order with chiral response to a magnetic field was observed in kagome metals like KV3Sb5, but the mechanism is not fully understood. Tazai et al. develop a theory based on the bond order fluctuation mechanism and provide a unified view of quantum phases in this material family.

    • Rina Tazai
    • Youichi Yamakawa
    • Hiroshi Kontani
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • In open nonequilibrium systems, interactions that break the action-reaction symmetry are ubiquitous in nature. While such nonreciprocal interactions have been implemented for quantum systems, they typically require fine microscopic control of dissipation. Here, Hanai, Ootsuki and Tazai propose a dissipation engineering scheme that induces nonreciprocal interactions in solid state materials, giving rise to a persistent many-body chase-and-runaway dynamics of magnetism in layered ferromagnets.

    • Ryo Hanai
    • Daiki Ootsuki
    • Rina Tazai
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-14

  • Kagome metal family, AV3Sb5(A = K, Rb, Cs), provide a platform to probe the interplay between superconductivity (SC) and charge density waves (CDW) and whether it is competitive or complementary. Here, the authors find a contrasting behavior that, while the superconductivity in A = Cs is susceptible to disorder, that in A = K, Rb is stabilized by disorder due to the competitive nature between the CDW and SC states. They attribute the results to the different CDW patterns in A = Cs and A = K, Rb, highlighting crucial role of CDW order to the SC order parameters in the kagome family.

    • Takuya Nagashima
    • Kota Ishihara
    • Takasada Shibauchi
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-8