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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…
Topological Critical Point and Resistivity Anomaly in HfTe5
L. X. Zhao, X. C. Huang, Y. J. Long +9
There is a long-standing confusion concerning the physical origin of the anomalous resistivity peak in transition metal pentatelluride HfTe5. Several mechanisms, like the formation…
Observation of the chiral anomaly induced negative magneto-resistance in 3D Weyl semi-metal TaAs
Xiaochun Huang, Lingxiao Zhao, Yujia Long +9
Weyl semi-metal is the three dimensional analog of graphene. According to the quantum field theory, the appearance of Weyl points near the Fermi level will cause novel transport ph…