# Geodesic scattering by surface deformations of a topological insulator

@article{Dahlhaus2010GeodesicSB, title={Geodesic scattering by surface deformations of a topological insulator}, author={J. Dahlhaus and C.-Y. Hou and A. Akhmerov and C. Beenakker}, journal={Physical Review B}, year={2010}, volume={82}, pages={085312} }

We consider the classical ballistic dynamics of massless electrons on the conducting surface of a three-dimensional topological insulator, influenced by random variations of the surface height. By solving the geodesic equation and the Boltzmann equation in the limit of shallow deformations, we obtain the scattering cross section and the conductivity {\sigma}, for arbitrary anisotropic dispersion relation. At large surface electron densities n this geodesic scattering mechanism (with {\sigma… CONTINUE READING

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