Liu, L.; Zhang, X.; Kou, S. - In: The European Physical Journal B - Condensed Matter and … 85 (2012) 8, pp. 1-6
In this paper, based on the lattice model of a topological insulator, we study the quantum phase transitions of topological insulators with different symmetry by calculating their phase diagrams and topological invariants. In particular, we investigate the symmetry-protected nature of the...