Low-dimensional topological insulators are the frontier of condensed matter physics in semiconductor power devices and solid materials.Physicists combine the theory of condensed matter physics and topology to ana-lyse and explore the solid state structure and properties of electron spin in low-dimensional mercury telluride(HgTe).The quantum spin Hall effect and the topological quantum doublet are two significant physical theories of low-dimensional topological insulators,which play a fundamental role in predicting and discovering the material configuration and energy band structure of topological insulators.A strong field physics is used to prove them exper-imently.In conclusion,the low-dimensional topological insulators are the frontier theory and material application of condensed matter physics,which is incorporated with the theory of mathematical topology and thus represent the aes-thetics of condensed matter.
关键词
凝聚态物理/拓扑绝缘体/量子霍尔效应/电子自旋/半导体器件
Key words
condensed matter physics/topological insulators/quantum Hall effect/electron spin/semicon-ductor devices
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