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Topological crystalline insulators and Dirac octets in antiperovskites

Author(s)
Liu, Junwei; Fu, Liang; Hsieh, Timothy Hwa-wei
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Abstract
We predict a class of topological crystalline insulators in the antiperovskite material family with the chemical formula A[subscript 3]BX. Here the nontrivial topology arises from band inversion between two J = 3/2 quartets, which is described by a generalized Dirac equation for a “Dirac octet.” Our work suggests that antiperovskites are a promising venue for exploring the cooperative interplay between band topology, crystal symmetry, and electron correlation.
Date issued
2014-08
URI
http://hdl.handle.net/1721.1/89029
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review B
Publisher
American Physical Society
Citation
Hsieh, Timothy H., Junwei Liu, and Liang Fu. "Topological crystalline insulators and Dirac octets in antiperovskites." Phys. Rev. B 90, 081112 (August 2014). © 2014 American Physical Society
Version: Final published version
ISSN
1098-0121
1550-235X

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