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Topological quantum phase transition and superconductivity induced by pressure in the bismuth tellurohalide BiTeI
Yanpeng Qi, Wujun Shi, Pavel G. Naumov +8
A pressure-induced topological quantum phase transition has been theoretically predicted for the semiconductor BiTeI with giant Rashba spin splitting. In this work, the evolution o…
Topological Weyl semimetals in the chiral antiferromagnetic materials Mn3Ge and Mn3Sn
Hao Yang, Yan Sun, Yang Zhang +3
Recent experiments revealed that Mn3Sn and Mn3Ge exhibit a strong anomalous Hall effect at room temperature, provoking us to explore their electronic structures for topological pro…
Rectangular Tantalum Carbide Halides TaCX (X = Cl, Br, I) monolayer: Novel Large-Gap Quantum Spin Hall Insulator
Liujiang Zhou, Wujun Shi, Yan Sun +4
Quantum spin Hall (QSH) insulators possess edge states that are topologically protected from backscattering. However, known QSH materials (e.g. HgTe/CdTe and InAs/GaSb quantum well…
Pressure-driven Superconductivity in Transition-metal Pentatelluride HfTe5
Yanpeng Qi, Wujun Shi, Pavel G. Naumov +8
Layered transition-metal tellurides have attracted considerable attention because of their rich physics; for example, tungsten ditelluride WTe2 exhibits extremely large magnetoresi…