Speaker: Timo Laehde
Affiliation: Institute for Advanced Simulation, Juelich, Germany
Abstract Details: 

I discuss how Quantum Monte Carlo methods developed for studies of the electronic structure of graphene can be applied to carbon nanotubes, and show first results for the interaction-induced energy gap. I also review previous Monte Carlo results for the critical coupling of the semimetal-insulator transition in graphene. I also discuss how our results for carbon nanotubes could be used to constrain the strength and form of the electron-electron interaction in graphene.

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