Scaling and interaction-assisted transport in graphene with one-dimensional defects

Details Scaling and interaction-assisted transport in graphene with one-dimensional defects Scaling and interaction-assisted transport in graphene with one-dimensional defects

2010-03-11

arxiv.org/abs/1003.2414v1

Phys. Rev. Lett. 105, 216602 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures

Scientific paper

We analyze the scattering from one-dimensional defects in intrinsic graphene. The Coulomb repulsion between electrons is found to be able to induce singularities of such scattering at zero temperature as in one-dimensional conductors. In striking contrast to electrons in one space dimension, however, repulsive interactions here can enhance transport. We present explicit calculations for the scattering from vector potentials that appear when strips of the material are under strain. There the predicted effects are exponentially large for strong scatterers.

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