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.
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