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The Shockley model description of the surface states in topological insulators
Shockley model description surface states topological insulators
2012/2/24
We show that the surface states in topological insulators can be understood based on a well-known Shockley model, a one-dimensional tight-binding model with two atoms per elementary cell, connected vi...
Surface states on a topologically non-trivial semimetal: The case of Sb(110)
Surface states topologically non-trivial semimetal Sb(110)
2012/2/23
The electronic structure of Sb(110) is studied by angle-resolved photoemission spectroscopy and first-principle calculations, revealing several electronic surface states in the projected bulk band gap...