Predicted Realization of Cubic Dirac Fermion in Quasi-One-Dimensional Transition-Metal Monochalcogenides

We show that the previously predicted “cubic Dirac fermion,” composed of six conventional Weyl fermions including three with left-handed and three with right-handed chirality, is realized in a specific, stable solid state system that has been made years ago, but was not appreciated as a “cubically d...

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Bibliographic Details
Main Authors: Qihang Liu, Alex Zunger
Format: Article
Language:English
Published: American Physical Society 2017-05-01
Series:Physical Review X
Online Access:http://doi.org/10.1103/PhysRevX.7.021019