Massive Dirac fermions in single-layer graphene

Details Massive Dirac fermions in single-layer graphene Massive Dirac fermions in single-layer graphene

2008-07-04

arxiv.org/abs/0807.0676v4

J.Phys.Condens.Matter 21:075303,2009

Physics

Condensed Matter

Strongly Correlated Electrons

Latex, 6p., no figures

Scientific paper

10.1088/0953-8984/21/7/075303

Motivated by the results of recent photoemission and tunneling studies, we discuss potential many-body sources of a finite gap in the Dirac fermion spectrum of graphene. Specifically, we focus on the putative Peierls- and Cooper-like pairing instabilities which can be driven by sufficiently strong Coulomb and electron-phonon interactions, respectively. Our results compare favorably with the available experimental and Monte Carlo data.

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