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Topological Materials: Quantum Anomalous Hall System
Annual Review of Condensed Matter Physics ( IF 22.6 ) Pub Date : 2018-03-12 00:00:00 , DOI: 10.1146/annurev-conmatphys-033117-054144
Ke He 1, 2 , Yayu Wang 1, 2 , Qi-Kun Xue 1, 2
Affiliation  

The quantum anomalous Hall effect (QAHE) is a quantized Hall effect that occurs at zero magnetic field. Its mechanism and properties are different from those of conventional quantum Hall effects (QHEs) induced by magnetic field. The first theory of a QHE without a magnetic field was proposed in 1988. Yet, it has taken 25 years to be experimentally realized, which has now happened thanks to the development of the topological insulator—a conceptually new topological state of matter. Here, we review QAHE, beginning with the original theoretical idea and concluding with its final implementation using experimentally accessible materials. The current status and future direction of the field are also discussed.

中文翻译:


拓扑材料:量子异常霍尔系统

量子异常霍尔效应(QAHE)是在零磁场下发生的量化霍尔效应。它的机制和性质不同于磁场诱导的传统量子霍尔效应(QHE)。1988年提出了没有磁场的QHE的第一个理论。然而,通过实验已经花费了25年的时间,而现在正是由于拓扑绝缘子(一种概念上新的拓扑状态)的发展而实现了。在这里,我们将对QAHE进行回顾,从最初的理论构想开始,到最后使用实验可访问的材料最终实施QAHE。还讨论了该领域的现状和未来方向。

更新日期:2018-03-12
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