Electron-Electron Interactions in Artificial Graphene

Details Electron-Electron Interactions in Artificial Graphene Electron-Electron Interactions in Artificial Graphene

2012-01-09

arxiv.org/abs/1201.1734v3

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

Recent advances in the creation and modulation of graphene-like systems are introducing a science of "designer Dirac materials". In its original definition, artificial graphene is a man-made nanostructure that consists of identical potential wells (quantum dots) arranged in a adjustable 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.

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