Minimal Lattice Model for Topological Insulators
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 187)
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A lattice model can be mapped into a continuous model near the critical point of a topological quantum phase transition . The topology of a lattice model remains unchanged if no energy gap in the band structure closes and reopens.
© Springer Nature Singapore Pte Ltd. 2017