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Local density of states of a hexagonal graphene quantum dot, mapped by scanning tunneling spectroscopy (left) and by tight binding calculations (right). [D. Subramaniam, F. Libisch, Y. Li, C. Pauly, V. Geringer, R. Reiter, T. Mashoff, M. Liebmann, J. Burgdörfer, C. Busse, T. Michely, R. Mazzarello, M. Pratzer, and M. Morgenstern, Phys. Rev. Lett. 108, 046801 (2012)] |


