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Spin Aharonov-Bohm effect and topological spin transistor
Joseph Maciejko, Eun-Ah Kim, Xiao-Liang Qi
Ever since its discovery, the electron spin has only been measured or manipulated through the application of an electromagnetic force acting on the associated magnetic moment. In t…
Magnetoconductance of the quantum spin Hall state
Joseph Maciejko, Xiao-Liang Qi, Shou-Cheng Zhang
We study numerically the edge magnetoconductance of a quantum spin Hall insulator in the presence of quenched nonmagnetic disorder. For a finite magnetic field B and disorder stren…
Nonlocal edge state transport in the quantum spin Hall state
Andreas Roth, Christoph Bruene, Hartmut Buhmann +4
We present direct experimental evidence for nonlocal transport in HgTe quantum wells in the quantum spin Hall regime, in the absence of any external magnetic field. The data conclu…
Kondo effect in the helical edge liquid of the quantum spin Hall state
Joseph Maciejko, Chaoxing Liu, Yuval Oreg +3
Following the recent observation of the quantum spin Hall (QSH) effect in HgTe quantum wells, an important issue is to understand the effect of impurities on transport in the QSH r…