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Showing 1–3 of 3 results
Advanced filters: Author: Jin-Kwang Kim Clear advanced filters

  • Spinons, or fractionalized collective excitations, have been reported in 1D systems but are debated in higher dimensions. Here the authors show that a heterostructure-based approach induces liquid-like spin dynamics in a 2D Heisenberg antiferromagnet, with isotropic continuum excitations extending to low energies.

    • Jin-Kwang Kim
    • Hoon Kim
    • B. J. Kim
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • We establish a spin nematic phase in the square-lattice iridate Sr2IrO4 and find a complete breakdown of coherent magnon excitations at short-wavelength scales, suggesting a many-body quantum entanglement in the antiferromagnetic state.

    • Hoon Kim
    • Jin-Kwang Kim
    • B. J. Kim
    Research
    Nature
    Volume: 625, P: 264-269

  • The mechanism of chiral symmetry breaking in condensed matter systems is not well understood. Now charge-lattice symmetry frustration has been shown to be a key factor governing chirality in a charge density wave of 1T-TiSe2.

    • Kwangrae Kim
    • Hyun-Woo J. Kim
    • B. J. Kim
    Research
    Nature Physics
    Volume: 20, P: 1919-1926