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    Artificial gauge fields and topological insulators in Moire superlattices

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    Type
    Preprint
    Authors
    Shang, Ce
    Abbout, Adel
    Zang, Xiaoning cc
    Schwingenschlögl, Udo cc
    Manchon, Aurelien cc
    KAUST Department
    Computational Physics and Materials Science (CPMS)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Spintronics Theory Group
    Date
    2019-12-01
    Permanent link to this record
    http://hdl.handle.net/10754/660735
    
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    Abstract
    We propose an innovative quantum emulator based on Moire superlattices showing that, by employing periodical modulation on each lattice site, one can create tunable, artificial gauge fields with imprinting Peierls phases on the hopping parameters and realize an analog of novel Haldane-like phase. As an application, we provide a methodology to directly quantify the topological invariant in such a system from a dynamical quench process. This design shows a robustly integrated platform which opens a new door to investigate topological physics.
    Sponsors
    The authors acknowledge financial support from the King Abdullah University of Science and Technology (KAUST).
    Publisher
    arXiv
    arXiv
    1912.00447
    Additional Links
    https://arxiv.org/pdf/1912.00447
    Collections
    Preprints; Physical Science and Engineering (PSE) Division; Spintronics Theory Group; Spintronics Theory Group; Material Science and Engineering Program; Computational Physics and Materials Science (CPMS)

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