E. Rasanen, C. A. Rozzi, S. Pittalis, G. Vignale
"Artificial graphene" is a man-made nanostructure that consists of identical
potential wells (quantum dots) arranged in a honeycomb lattice in the
two-dimensional electron gas. As our ability to control the quality of
artificial graphene samples improves, so grows the need for an accurate theory
of its electronic properties, including the effects of electron-electron
interactions. Here we determine those effects on the band structure and on the
emergence of Dirac points.
View original:
http://arxiv.org/abs/1201.1734
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