Coupled-layer description of topological crystalline insulators

25 Sep 2016  ·  Fulga I. C., Avraham N., Beidenkopf H., Stern A. ·

We introduce a coupled-layer construction to describe three-dimensional topological crystalline insulators protected by reflection symmetry. Our approach uses stacks of weakly-coupled two-dimensional Chern insulators to produce topological crystalline insulators in one higher dimension, with tunable number and location of surface Dirac cones... As an application of our formalism, we turn to a simplified model of topological crystalline insulator SnTe, showing that its protected surface states can be described using the coupled layer construction. read more

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Mesoscale and Nanoscale Physics