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Showing 1–3 of 3 results
Advanced filters: Author: E. A. Ghioldi Clear advanced filters

  • A TLAF is an archetypal geometrically frustrated magnetic system, which serves as the foundation for many exotic states, including quantum spin-liquids. Here, Park et al perform INS measurements on BLCTO, which, combined with theoretical calculations, reveal distinctive fingerprints of spinon excitations, thereby suggesting proximity to a spin liquid even in the presence of strong XXZ anisotropy.

    • Pyeongjae Park
    • E. A. Ghioldi
    • Andrew D. Christianson
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • Kondo materials exhibit extremely rich physics, from unconventional superconductivity to topological phases. Unfortunately, for a real material, direct solution of the Kondo lattice is practically impossible. Here, Simeth et al. present a tractable approach to this problem, showing how a multi-orbital periodic Anderson model can be reduced to a Kondo lattice model, and be applied to relevant materials and quantitatively validated with neutron spectroscopy.

    • W. Simeth
    • Z. Wang
    • M. Janoschek
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-10

  • A detailed analysis of inelastic neutron scattering data, including the evaluation of entanglement witnesses used in quantum information theory, supports the proposal that the triangular-lattice antiferromagnet KYbSe2 is close to a spin-liquid phase.

    • A. O. Scheie
    • E. A. Ghioldi
    • D. A. Tennant
    Research
    Nature Physics
    Volume: 20, P: 74-81