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https://doi.org/10.1103/PhysRevB.82.205331
Title: | Mott scattering at the interface between a metal and a topological insulator | Authors: | Zhao, E. Zhang, C. Lababidi, M. |
Issue Date: | 30-Nov-2010 | Citation: | Zhao, E., Zhang, C., Lababidi, M. (2010-11-30). Mott scattering at the interface between a metal and a topological insulator. Physical Review B - Condensed Matter and Materials Physics 82 (20) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.82.205331 | Abstract: | We compute the spin-active scattering matrix and the local spectrum at the interface between a metal and a three-dimensional topological band insulator. We show that there exists a critical incident angle at which complete (100%) spin-flip reflection occurs and the spin-rotation angle jumps by π. We discuss the origin of this phenomena, and systematically study the dependence of spin-flip and spin-conserving scattering amplitudes on the interface transparency and metal Fermi-surface parameters. The interface spectrum contains a well-defined Dirac cone in the tunneling limit and smoothly evolves into a continuum of metal-induced gap states for good contacts. We also investigate the complex band structure of Bi2 Se3. © 2010 The American Physical Society. | Source Title: | Physical Review B - Condensed Matter and Materials Physics | URI: | http://scholarbank.nus.edu.sg/handle/10635/97263 | ISSN: | 10980121 | DOI: | 10.1103/PhysRevB.82.205331 |
Appears in Collections: | Staff Publications |
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