Quasiparticle properties of graphene in the presence of disorder
arXiv:0805.3890 · doi:10.1016/j.ssc.2008.05.036
Abstract
We calculate the quasiparticle properties of chiral two-dimensional Dirac electrons in graphene within the Landau Fermi Liquid scheme based on approximation in the presence of disorder. Disorder effects due to charged impurity scattering plays a crucial role in density dependence of quasiparticle quantities. Mode-coupling approach to scattering rate and self-energy in approximation for quasiparticle renormalized Fermi velocity and spin-antisymmetric Landau Fermi parameter incorporating the many-body interactions and the disorder effects show reduction of these quantities by 5-15 percent at available experimental charge carrier density region.
15 pages, 4 figures. To appear in Solid State Communications
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Cited by in corpus (4)
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- Dynamic polarization of graphene by moving external charges: random phase approximation
- Anderson Transition in Disordered Graphene
- Spectral and optical properties of doped graphene with charged impurities in the self-consistent Born approximation