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Node line semimetal states in tungsten-based materials
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作者 Ping-Ru Wu Ming-Hao Zhang +3 位作者 Gao Xu Xin-Gen Liu Zhun Liu Qi-Feng Liang 《Tungsten》 EI CSCD 2023年第3期339-349,共11页
Node line semimetals(NLSMs) were characterized by one-dimensional band crossings in their bulk electronic structures.The nontrivial band topology of NLSM gives rise to "drumhead" surface electronic excitatio... Node line semimetals(NLSMs) were characterized by one-dimensional band crossings in their bulk electronic structures.The nontrivial band topology of NLSM gives rise to "drumhead" surface electronic excitations that exhibits exotic physical properties.The symmetries of crystalline provide the needed protection of node line from being gapped out by the perturbations that preserve the symmetry.The progress of NLSM in tungsten-based materials is reviewed with an emphasis on their symmetry-based protection,characteristic electronic band structures and their response to the spin-orbit coupling(SOC)and breaking of time-reversal symmetry.The potential exploration directions of tungsten-based NLSM in the future are also discussed. 展开更多
关键词 node Line:Topological Semimetal.Symmetry protection Nonsymmorphic Symmetry
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