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Discovery of a Three-dimensional Topological Dirac Semimetal, Na3Bi
Z. K. Liu, B. Zhou, Z. J. Wang +9
Three-dimensional (3D) topological Dirac semimetals (TDSs) represent a novel state of quantum matter that can be viewed as '3D graphene'. In contrast to two-dimensional (2D) Dirac…
Transition-Metal Pentatelluride ZrTe and HfTe: a Paradigm for Large-gap Quantum Spin Hall Insulators
Hongming Weng, Xi Dai, Zhong Fang
Quantum spin Hall (QSH) insulators, a new class of quantum matters, can support topologically protected helical edge modes inside bulk insulating gap, which can lead to dissipation…
Topological Crystalline Kondo Insulator in Mixed Valence Ytterbium Borides
Hongming Weng, Jianzhou Zhao, Zhijun Wang +2
The electronic structures of two mixed valence insulators YbB and YbB are studied by using the local density approximation (LDA) supplemented with the Gutzwiller method an…
Superconductivity in Topological Insulator Sb2Te3 Induced by Pressure
J. Zhu, J. L. Zhang, P. P. Kong +15
Topological superconductivity is one of most fascinating properties of topological quantum matters that was theoretically proposed and can support Majorana Fermions at the edge sta…
Three Dimensional Dirac Semimetal and Quantum Transports in Cd3As2
Zhijun Wang, Hongming Weng, Quansheng Wu +2
Based on the first-principles calculations, we recover the silent topological nature of Cd3As2, a well known semiconductor with high carrier mobility. We find that it is a symmetry…