Topological Phases in Graphitic Cones
材料科学
2009-10-31 v1
摘要
The electronic structure of graphitic cones exhibits distinctive topological features associated with the apical disclinations. Aharonov-Bohm magnetoconductance oscillations (period Phi_0) are completely absent in rings fabricated from cones with a single pentagonal disclination. Close to the apex, the local density of states changes qualitatively, either developing a cusp which drops to zero at the Fermi energy, or forming a region of nonzero density across the Fermi energy, a local metalization of graphene.
引用
@article{arxiv.cond-mat/0011530,
title = {Topological Phases in Graphitic Cones},
author = {P. E. Lammert and V. H. Crespi},
journal= {arXiv preprint arXiv:cond-mat/0011530},
year = {2009}
}
备注
4 pages, RevTeX 4, 3 PostScript figures