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The Shockley model description of the surface states in topological insulators
Shockley model description surface states topological insulators
2012/2/27
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...
Eliashberg theory for ferromagnetic quantum criticality in the surface of three dimensional topological insulators
Eliashberg theory ferromagnetic quantum dimensional topological insulators
2010/11/25
We develop an Eliashberg theory for ferromagnetic quantum criticality in the surface of three
dimensional topological insulators. A novel ingredient of the present study is to introduce an
anomalous...
Full electrical control of Charge and Spin conductance through Interferometry of Edge States in Topological Insulators
Full electrical control of Charge Spin conductance Topological Insulators
2010/11/24
We investigate electron interferometry of edge states in Topological Insulators. We show that,
when inter-boundary coupling is induced at two quantum point contacts of a four terminal setup,
both Fa...
Electron interaction-driven insulating ground state in Bi2Se3 topological insulators in the two dimensional limit
Electron interaction-driven two dimensional limit
2010/11/18
We report a transport study of ultrathin Bi2Se3 topological insulators with thickness from
one quintuple layer to six quintuple layers grown by molecular beam epitaxy. At low
temperatures, the film ...