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Showing 1–5 of 5 results
Advanced filters: Author: Emil V. Prodan Clear advanced filters

  • Properties of topological insulators can be realized in mechanical systems, opening potential applications of topological mechanics. Here, Prodanet al. report a dynamical topological Majorana edge mode in self-assembled chains of rigid bodies with particle-hole symmetry.

    • Emil Prodan
    • Kyle Dobiszewski
    • Camelia Prodan
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Topological metals with topological states that are degenerate with bulk states in both energy and wave vector represent an exciting frontier for topological materials. Here, the authors theoretically develop and experimentally realise robust boundary-localised states protected by a bulk topological invariant in a gapless acoustic crystal.

    • Wenting Cheng
    • Alexander Cerjan
    • Camelia Prodan
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • The authors create synthetic dimensions in acoustic crystals composed of cavity arrays, strongly coupled through modulated channels. They provide evidence for 1D and 2D dynamic topological pumping, and show that the higher-order topological sound transport is robust against the geometrical imperfections.

    • Hui Chen
    • Hongkuan Zhang
    • Guoliang Huang
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • All aperiodic systems display an intrinsic degree of freedom, called the phason, and here it is shown that the phason space for twisted bilayered systems is a 2-torus. As a consequence, these systems host the physics of 4-dimensional integer quantum Hall effect, which can be accessed by simply sliding the layers relative to each other.

    • Matheus I. N. Rosa
    • Massimo Ruzzene
    • Emil Prodan
    ResearchOpen Access
    Communications Physics
    Volume: 4, P: 1-10