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From carbon nanotubes to graphene - A Monte Carlo approach

Speaker: 
Timo Laehde (Institute for Advanced Simulation, Juelich, Germany)
Date: 
Wed, 18/11/2015 - 11:00am to 12:00pm
Location: 
Physics Conference Room (S11-02-07)
Host: 
Shaffique Adam
Event Type: 
Seminars

Abstract

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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