Scattering resonances in graphene
Mesoscale and Nanoscale Physics
2013-01-31 v4
Abstract
We address the two-dimensional band-structure of graphene above the vacuum level in the context of discrete states immersed in the three-dimensional continuum. Scattering resonances are discovered that originate from the coupling of the in-plane and perpendicular motions, as elucidated by the analysis of an exactly solvable model. Some of the resonances turn into true bound states at high-symmetry vectors. {\it Ab initio} scattering theory verifies the existence of the resonances in realistic graphene and shows that they lead to a total reflection of the incident electron below and total transmission above the resonance energy.
Cite
@article{arxiv.1207.6702,
title = {Scattering resonances in graphene},
author = {V. U. Nazarov and V. M. Silkin and E. E. Krasovskii},
journal= {arXiv preprint arXiv:1207.6702},
year = {2013}
}
Comments
5 pages, 4 figures