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Showing 1–12 of 12 results
Advanced filters: Author: Zhiwang Zhang Clear advanced filters

  • Fullerenes possess unique electronic property influenced by their real space topology and gauge field. Here, the authors construct an acoustic C540 fullerene metamaterial, allowing observation of 3D topological pentagon states using sound waves, and offering new insights into classical wave manipulation.

    • Danwei Liao
    • Jingyi Zhang
    • Johan Christensen
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7

  • If one adds a (pseudo-) magnetic field to a system involving Weyl points, the Weyl points split into the so-called chiral Landau levels, among which the zeroth chiral Landau level has linear band dispersion. This paper reports an experimental realization of the zeroth chiral Landau level using an acoustic metamaterial in a synthetic dimension.

    • Kaichong Li
    • Xuan Zhang
    • Xiaojun Liu
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-6

  • Single-wall carbon nanotubes are made of carbon with diameters less than 100 nanometers. Here, the authors engineer an analogue tube with a diameter 1,000,000 times larger with the aim to explore topological properties including unusual acoustic edge states.

    • Zhiwang Zhang
    • Penglin Gao
    • Johan Christensen
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-6

  • An acoustic topological gallery insulator constructed from sonic crystals made of thermoplastic rods decorated with carbon nanotube films enables the out-coupling of amplified and focused sound at audible frequencies.

    • Bolun Hu
    • Zhiwang Zhang
    • Johan Christensen
    Research
    Nature
    Volume: 597, P: 655-659

  • Increasing studies have suggested that single reference genome is insufficient to capture all variations in the genome. Here, the authors report a graph-based cucumber pan-genome by analyzing 12 chromosome-scale assemblies and reveal variations associated with agronomic traits and domestication.

    • Hongbo Li
    • Shenhao Wang
    • Zhonghua Zhang
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-14

  • Higher-order topological insulators are a class of systems where the relationship between the bulk and surface properties differ from that of conventional topological insulators. Here, the authors seek to demonstrate that these systems may be realized using acoustic systems.

    • María Rosendo López
    • Zhiwang Zhang
    • Johan Christensen
    ResearchOpen Access
    Communications Physics
    Volume: 2, P: 1-7

  • Topological metamaterials are becoming increasingly interesting for their wave-confining capabilities, providing topologically robust guiding of light, sound and vibrations. Here, topological edge and disclination states in valley Hall sonic lattices are investigated via a non-commercial analytical approach combining the null-field method with multiple scattering techniques.

    • René Pernas-Salomón
    • Penglin Gao
    • Johan Christensen
    ResearchOpen Access
    Communications Materials
    Volume: 5, P: 1-8

  • The intriguing physics of correlated flat bands in moiré superlattices can be mimicked, in classical physics, by twisted acoustic plates with periodic holes. Here, the authors derive a combined analytical and numerical approach that provides computational advantage in band engineering of holey bilayer plates.

    • María Rosendo López
    • Zhiwang Zhang
    • Johan Christensen
    ResearchOpen Access
    Communications Materials
    Volume: 3, P: 1-8