Topological insulators

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what are topological insulators? gapped bulk states + conducting (gapless) edge (surface) states due to topology M. Z. Hasan and C. L. Kane, Topological insulators, Rev. Mod. Phys. 82, 3045 (2010)
:outline: • mesoscopics for pedestrians • topological insulators • edge states in HgTe quantum wells • magnetism of HgTe edge states B. Scharf, A. Matos-Abiague, and J. Fabian, Phys. Rev. B 86, 075418 (2012)
Page 1: http://www.physik.uni-regensburg.de
Page 5 and 6: How much current per spin flows in
Page 7 and 8: conductance quantization B. J. van
Page 9 and 10: integer quantum Hall effect: topolo
Page 11 and 12: topological nature of the integer q
Page 13 and 14: topological insulators edge states
Page 15 and 16: Time reversal points spin degenerac
Page 17 and 18: (non-exotic) materials classes of t
Page 19 and 20: HgTe/CdTe quantum wells CdTe CdTe C
Page 21 and 22: experimental evidence of TI states
Page 23 and 24: magnetism of the TI edge states in
Page 29: Conclusion topological insulators a

Topological insulators

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