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Spatially resolved study of backscattering in the quantum spin Hall state
Markus König, Matthias Baenninger, Andrei G. F. Garcia +8
The discovery of the Quantum Spin Hall state, and topological insulators in general, has sparked strong experimental efforts. Transport studies of the Quantum Spin Hall state confi…
Induced superconductivity in the three-dimensional topological insulator HgTe
Luis Maier, Jeroen B. Oostinga, Daniel Knott +7
A strained and undoped HgTe layer is a three-dimensional topological insulator, in which electronic transport occurs dominantly through its surface states. In this Letter, we prese…
Fine structure of "zero-mode" Landau levels in HgTe/HgCdTe quantum wells
M. Orlita, K. Masztalerz, C. Faugeras +5
HgTe/HgCdTe quantum wells with the inverted band structure have been probed using far infrared magneto-spectroscopy. Realistic calculations of Landau level diagrams have been perfo…
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…
Quantum Spin Hall Insulator State in HgTe Quantum Wells
Markus Koenig, Steffen Wiedmann, Christoph Bruene +5
Recent theory predicted that the Quantum Spin Hall Effect, a fundamentally novel quantum state of matter that exists at zero external magnetic field, may be realized in HgTe/(Hg,Cd…