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Topological quantum many-body scars in quantum dimer models on the kagome lattice

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  • Julia Wildeboer, Arizona State University
  • ,
  • Alexander Seidel, Washington University St. Louis
  • ,
  • N. S. Srivatsa, Max-Planck-Institute for the Physics of Complex Systems
  • ,
  • Anne E.B. Nielsen
  • Onur Erten, Arizona State University

We present a class of quantum dimer models on the kagome lattice with full translational invariance that feature a quantum many-body scar state of analytically known entanglement properties within their spectra. Using exact diagonalization on lattices of up to 60 sites, we show that nonscar states conform to the eigenstate thermalization hypothesis. Specifically, we show that energies are distributed according to the Gaussian ensemble expected of their respective symmetry sector, illustrate the existence of the scar from bipartite entanglement properties, and demonstrate revival phenomena in studies of fidelity dynamics.

Original languageEnglish
Article numberL121103
JournalPhysical Review B
Number of pages6
Publication statusPublished - Sep 2021

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