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Topological phase in non-centrosymmetric material NaSnBi
Xia Dai, Congcong Le, Xianxin Wu +3
We predict that a non-centrosymmetric material NaSnBi locates in a three-dimensional non-trivial topological phase under ambient pressure based on first-principle calculations. By…
Topological nodal line semimetals
Chen Fang, Hongming Weng, Xi Dai +1
We review the recent, mainly theoretical, progress in the study of topological nodal line semimetals in three dimensions. In these semimetals, the conduction and the valence bands…
Topological Phase Transition and Chiral-Anomaly Driven Negative Magneto-Resistance in Bulk Black Phosphorus
Chun-Hong Li, Yu-Jia Long, Ling-Xiao Zhao +8
We report the anisotropic magneto-transport measurement on a non-compound band semiconductor black phosphorus (BP) with magnetic field B up to 16 Tesla applied in both perpendicula…
Heavy Weyl fermion state in CeRuSn
Yuanfeng Xu, Changming Yue, Hongming Weng +1
A new type of topological state in strongly corrected condensed matter systems, heavy Weyl fermion state, has been found in a heavy fermion material CeRuSn, which has no in…
Topological Nodal Line Semimetals in CaP3 family of materials
Qiunan Xu, Rui Yu, Zhong Fang +2
We propose that CaP3 family of materials, which include CaP3, CaAs3, SrP3, SrAs3 and BaAs3 can host a three-dimensional topological nodal line semimetal states. Based on first-prin…
Topologically entangled Rashba-split Shockley states on the surface of grey arsenic
Peng Zhang, J. -Z. Ma, Y. Ishida +13
We discover a pair of spin-polarized surface bands on the (111) face of grey arsenic by using angle-resolved photoemission spectroscopy (ARPES). In the occupied side, the pair rese…