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4 papers
Surface States of the Topological Insulator Bi_{1-x}Sb_x
Jeffrey C. Y. Teo, Liang Fu, C. L. Kane
We study the electronic surface states of the semiconducting alloy BiSb. Using a phenomenological tight binding model we show that the Fermi surface of the 111 surface states enclo…
Superconducting proximity effect and Majorana fermions at the surface of a topological insulator
Liang Fu, C. L. Kane
We study the proximity effect between an s-wave superconductor and the surface states of a strong topological insulator. The resulting two dimensional state resembles a spinless p_…
Topological Insulators with Inversion Symmetry
Liang Fu, C. L. Kane
Topological insulators are materials with a bulk excitation gap generated by the spin orbit interaction, and which are different from conventional insulators. This distinction is c…
Time Reversal Polarization and a Z_2 Adiabatic Spin Pump
Liang Fu, C. L. Kane
We introduce and analyze a class of one dimensional insulating Hamiltonians which, when adiabatically varied in an appropriate closed cycle, define a " pump". For an isolated…