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Regensburg 2016 – scientific programme

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MA: Fachverband Magnetismus

MA 7: Transport: Topological Insulators - 2D
(Joint session of DS, HL, MA, O and TT organized by TT)

MA 7.3: Talk

Monday, March 7, 2016, 15:30–15:45, H18

Transport in quantum spin Hall systems in parallel magnetic fields — •Michael Wimmer1, Rafal Skolasinski1, Dmitry Pikulin2, and Jason Alicea31TU Delft, The Netherlands — 2University of British Columbia, Canada — 3Caltech, US

Edge states in quantum spin Hall (QSH) systems are protected by time-reversal symmetry, resulting in a qunatized conductance. A magnetic field breaks that protection, and should lead to a deviation from perfect quantization. We will discuss generic features of semiconductor-based QSH systems (such as HgTe/CdTe and InAs/GaSb) that affect the magnetic field dependence of edge state conductance, focusing on the effect of an in-plane field.

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