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Showing 1–5 of 5 results
Advanced filters: Author: Yuyang Lao Clear advanced filters

  • Strings of local excitations are interesting features of a strongly correlated topological quantum matter. Here, the authors show that Boltzmann-distributed strings of local excitations also describe the topological physics of the Santa Fe geometry of artificial spin ice, which is a classical thermal system.

    • Xiaoyu Zhang
    • Ayhan Duzgun
    • Peter Schiffer
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-7

  • Experiments on the Shakti geometry of artificial spin ice show that its low-energy excitations are topologically protected, and that an emergent classical topological order influences the ergodicity and equilibration of this nanomagnetic system.

    • Yuyang Lao
    • Francesco Caravelli
    • Peter Schiffer
    Research
    Nature Physics
    Volume: 14, P: 723-727

  • The thermodynamic properties of artificial spin ice are strongly influenced by the manner in which its constituent nanomagnets are arranged. The so-called tetris lattice geometry is now shown to lead to emergent one-dimensional correlations.

    • Ian Gilbert
    • Yuyang Lao
    • Peter Schiffer
    Research
    Nature Physics
    Volume: 12, P: 162-165

  • Long-range order is normally related to an entropy decrease. Yet, an increase in entropy in one part of a system can induce long-range order in another. A new form of such entropy-driven order is now demonstrated in an artificial spin-ice system.

    • Hilal Saglam
    • Ayhan Duzgun
    • Peter Schiffer
    Research
    Nature Physics
    Volume: 18, P: 706-712

  • Artificial spin-ice materials are usually described by spins that are either up or down. Here, a new type of spin ice is fabricated where the spins can be in one of three states with different coexisting phases separated by a first-order transition.

    • Joseph Sklenar
    • Yuyang Lao
    • Peter Schiffer
    Research
    Nature Physics
    Volume: 15, P: 191-195