Electron-electron interactions in graphene bilayers

Details Electron-electron interactions in graphene bilayers Electron-electron interactions in graphene bilayers

2008-05-05

arxiv.org/abs/0805.0305v2

EPL 85 (2009) 58005

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 5 figures

Scientific paper

10.1209/0295-5075/85/58005

We study the effect of electron-electron interactions in the quasiparticle
dispersion of a graphene bilayer within the Hartree-Fock-Thomas-Fermi theory by
using a four-bands model. We find that the electronic fluid can be described by
a non-interacting-like dispersion but with renormalized parameters. We compare
our results with recent cyclotron resonance experiments in this system.

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