国家自然科学基金(11074110)

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Coupling-matrix approach to the Chern number calculation in disordered systems
《Chinese Physics B》2013年第11期130-134,共5页张议夫 杨运友 鞠艳 盛利 沈瑞 盛冬宁 邢定钰 
Project supported by the National Basic Research Program of China(Grant Nos.2009CB929504,2011CB922103,and 2010CB923400);the National Natural Science Foundation of China(Grant Nos.11225420,11074110,11174125,11074109,11074111,and 91021003);the Priority Academic Program Development of Jiangsu Higher Education Institutions,China;the Natural Science Foundation of Jiangsu Province,China(Grant No.BK2010364);the US NSF(Grant Nos.DMR-0906816 and DMR-1205734);he Princeton MRSEC(Grant No.DMR-0819860)
The Chern number is often used to distinguish different topological phases of matter in two-dimensional electron systems. A fast and efficient coupling-matrix method is designed to calculate the Chern number in finite...
关键词：Chern number TOPOLOGY DISORDER 
Spin Chern numbers and time-reversal-symmetry-broken quantum spin Hall effect
《Chinese Physics B》2013年第6期32-48,共17页盛利 李会超 杨运友 盛冬宁 邢定钰 
supported by the National Basic Research Program of China (Grant Nos. 2009CB929504,2011CB922103,and 2010CB923400);the National Natural Science Foundation of China (Grant Nos. 11225420,11074110,11174125,11074109,and 91021003);the Priority Academic Program Development of Jiangsu Higher Education Institutions,China,the US NSF (Grant Nos. DMR-0906816 and DMR-1205734);Princeton MRSEC (Grant No. DMR-0819860)
The quantum spin Hall （QSH） effect is considered to be unstable to perturbations violating the time-reversal （TR） symmetry. We review some recent developments in the search of the QSH effect in the absence of the ...
关键词：spin-polarized transport quantum spin Hall effect surface state edge state topological insulator 
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