Electronic Properties of Two-Dimensional Carbon
N. M. R. Peres, F. Guinea, and A. H. Castro Neto (BU)
TL;DR
This paper provides a theoretical analysis of how disorder, interactions, and symmetry breaking influence the electronic properties of graphene, explaining experimental observations and predicting new behaviors.
Contribution
It introduces a comprehensive theoretical framework for understanding the effects of various imperfections and interactions on graphene's electronic properties.
Findings
Particle-hole asymmetry causes self-doping effects.
Local defects dominate transport and spectroscopic characteristics.
Theoretical results align with recent experimental data.
Abstract
We present a theoretical description of the electronic properties of graphene in the presence of disorder, electron-electron interactions, and particle-hole symmetry breaking. We show that while particle-hole asymmetry, long-range Coulomb interactions, and extended defects lead to the phenomenon of self-doping, local defects determine the transport and spectroscopic properties. Our results explain recent experiments in graphitic devices and predict new electronic behavior.
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