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Entanglement in (4 ＋ 1)-D-Dirac-type lattice model time-reversal-invariant

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  • Lima, L.S.

Abstract

Entanglement is studied in the neighborhood of topological phase transition in some topological insulators models as one-dimensional Rice–Mele model, two-dimensional Qi–Wu–Zhang model or Chern insulator and (4 ＋ 1)-D higher dimensional Chern insulators. The systems describe electrons hopping in one, two or higher-dimensional chains respectively, being for the one-dimensional model, we have considered staggered hopping amplitudes. Our results show strong an effect of the variation of the topological charge Q in the neighborhood of topological phase transition on thermal entanglement for all cases analyzed.

Suggested Citation

  • Lima, L.S., 2021. "Entanglement in (4 ＋ 1)-D-Dirac-type lattice model time-reversal-invariant," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 578(C).
    • Handle: RePEc:eee:phsmap:v:578:y:2021:i:c:s0378437121003848
    DOI: 10.1016/j.physa.2021.126111
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