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Showing 1–8 of 8 results
Advanced filters: Author: Houjun Sun Clear advanced filters

  • Recent evidence of hyperbolic lattice calls for whether topological states can exist in such non-Euclidean system. Here, the authors evidence firstorder Chern edge states with a nontrivial real-space Chern number and fractal-like midgap higher-order zero modes in hyperbolic circuit networks.

    • Weixuan Zhang
    • Hao Yuan
    • Xiangdong Zhang
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • Electric circuits represent a versatile platform for simulations of exotic phenomena that are difficult to realize is condensed matter systems. Here the authors simulate particle statistics-dependent Bloch oscillations with electric circuits and observe features predicted for a model of anyons on a 1D lattice.

    • Weixuan Zhang
    • Hao Yuan
    • Xiangdong Zhang
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • To date, studies of topological band theory have mostly dealt with Euclidean space. Here, the authors use classical electric-circuit networks to realize topological insulators in 2D negatively-curved (hyperbolic) space with non-trivial second Chern number.

    • Weixuan Zhang
    • Fengxiao Di
    • Xiangdong Zhang
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • Even though exploiting skin-topological effects in topological insulators is attractive for topological switch design, current research has focused on theoretical demonstrations. Here, the authors experimentally demonstrate higher-order topological skin effects in nonreciprocal topoelectrical circuits.

    • Deyuan Zou
    • Tian Chen
    • Xiangdong Zhang
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-11

  • The experimental observation of topological entanglement entropy (TEE) remains a challenge. Here, authors propose a scheme and experimentally construct classical analogs of minimum entropy states to simulate nontrivial topological orders by observing the TEE in Kitaev toric code.

    • Tian Chen
    • Shihao Zhang
    • Xiangdong Zhang
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Relativistic quantum mechanics is typically used to describe phenomena of high-energy physics but can also be applied to describe some features of quantum materials. Here, the authors use electrical circuits to simulate Dirac-like phenomena and measure Zitterbewegung and Klein tunneling for a one dimensional Bose-Hubbard model.

    • Weixuan Zhang
    • Hao Yuan
    • Xiangdong Zhang
    ResearchOpen Access
    Communications Physics
    Volume: 4, P: 1-7

  • Bound states in the continuum (BIC) are localized waves confined in an open system and are a general wave phenomenon relevant to a range of systems from classical to quantum mechanics. Here, the authors propose BIC based on anyon statistics and confirm their model using electronic circuits.

    • Weixuan Zhang
    • Long Qian
    • Xiangdong Zhang
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-10