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Spin-Triplet Topological Excitonic Insulators in Two-dimensional Materials
Huaiyuan Yang, Jiaxi Zeng, Yuelin Shao +3
Quantum spin-hall insulator (QSHI) processes nontrivial topology. We notice that the electronic structures of some particular QSHIs are favorable for realization of excitonic insul…
New Type of Quantum Oscillations Stemmed From the Strong Weyl Fermions - 4f Electrons Exchange Interaction
Jin-Feng Wang, Qing-xin Dong, Yi-Fei Huang +8
The interplay between magnetism and the topology of electronic band structure may generate new exotic quantum states. Here we report on a new type of quantum oscillations in the te…
Detecting Chiral Magnetic Effect by Lattice Dynamics
Zhida Song, Jimin Zhao, Zhong Fang +1
In the present paper, we propose that the chiral magnetic effect, the direct consequence of the presence of Weyl points in the band structure, can be detected by its coupling to ce…
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 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…