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Electron-phonon scattering in topological insulators

2011/03/01 by Sébastien Giraud, Reinhold Egger · 1 citation
Physics and Astronomy · #cond-mat.mes-hall

paper · pdf · doi:10.1103/physrevb.83.245322

published as Phys. Rev. B 83, 245322 (2011) · 5 pages, 3 figures

arxiv created 2011/03/01 · arxiv updated 2011/07/01

Abstract

We formulate and apply a theory of electron-phonon interactions for the surface state of a strong topological insulator. Phonons are modelled using an isotropic elastic continuum theory with stress-free boundary conditions and interact with the Dirac surface fermions via the deformation potential. We discuss the temperature dependence of the quasi-particle lifetime in photoemission and of the surface resistivity.

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