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Xiao-Liang Qi
Researcher at Stanford University
Publications - 9
Citations - 1436
Xiao-Liang Qi is an academic researcher from Stanford University. The author has contributed to research in topics: Topological insulator & Quantum spin Hall effect. The author has an hindex of 8, co-authored 9 publications receiving 1174 citations. Previous affiliations of Xiao-Liang Qi include SLAC National Accelerator Laboratory & University of California, Santa Barbara.
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Journal ArticleDOI
Dynamical axion field in topological magnetic insulators
TL;DR: In this article, it was shown that magnetic fluctuations of topological insulators couple to the electromagnetic fields exactly like the axions, and proposed several experiments to detect this dynamical axion field.
Journal ArticleDOI
Spin polarization of the quantum spin Hall edge states
Christoph Brüne,A. Roth,Hartmut Buhmann,Ewelina M. Hankiewicz,Laurens W. Molenkamp,Joseph Maciejko,Joseph Maciejko,Xiao-Liang Qi,Xiao-Liang Qi,Xiao-Liang Qi,Shou-Cheng Zhang,Shou-Cheng Zhang +11 more
TL;DR: The quantum spin Hall state is predicted to consist of two oppositely polarized spin currents travelling in opposite directions around the edges of a topological insulator as discussed by the authors, and non-local measurements of the transport in HgTe quantum wells confirm the polarized nature of these edge states.
Journal Article
Dynamical Axion Field in Topological Magnetic Insulators
TL;DR: In this article, it was shown that magnetic fluctuations of topological insulators couple to the electromagnetic fields exactly like the axions, and proposed several experiments to detect this dynamical axion field.
Journal ArticleDOI
Topological quantization in units of the fine structure constant.
Joseph Maciejko,Joseph Maciejko,Xiao-Liang Qi,Xiao-Liang Qi,Xiao-Liang Qi,H. Dennis Drew,Shou-Cheng Zhang,Shou-Cheng Zhang +7 more
TL;DR: This Letter proposes an optical experiment to directly measure this topological quantization phenomenon, independent of material details, and provides a way to measure the half-quantized Hall conductances on the two surfaces of the topological insulator independently of each other.
Journal ArticleDOI
Kondo effect in the helical edge liquid of the quantum spin Hall state.
Joseph Maciejko,Chao-Xing Liu,Chao-Xing Liu,Yuval Oreg,Xiao-Liang Qi,Congjun Wu,Shou-Cheng Zhang +6 more
TL;DR: The edge conductance of a QSH insulator as a function of temperature in the presence of a magnetic impurity is calculated using linear response and renormalization group methods.