Topological Crystalline Insulators and Dirac Octets in Anti-perovskites

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Hsieh, Timothy H.; Liu, Junwei; Fu, Liang;
(2014)

We predict a new class of topological crystalline insulators (TCI) in the anti-perovskite material family with the chemical formula A$_3$BX. Here the nontrivial topology arises from band inversion between two $J=3/2$ quartets, which is described by a generalized Dirac e... View more
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