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Dynamical Properties of Quasiparticles in a Gapped Graphene Sheet by Qaiumzadeh, A.; Joibari, F. K.; Asgari, Reza is a scholarly article available to read on EtoBox.

What is Dynamical Properties of Quasiparticles in a Gapped Graphene Sheet about?

We present numerical calculations of the impact of charge carriers-carriers interactions on the dynamical properties of quasiparticles such as renormalized velocity and quasiparticle inelastic scattering lifetime in a gapped graphene sheet. Our formalism is based on the many-body $G_0W$-approximation for the self-energy. We present results for the many-body renormalized velocity suppression and the renormalization constant over a broad range of energy gap values. We find that the renormalized velocity is almost independence of the carrier densities at large density regime. We also show that the quasiparticle inelastic scattering lifetime decreases by increasing the gap value. Finally, we present results for the mean free path of charge carriers suppression over the energy gap values.

Author

Qaiumzadeh, A.; Joibari, F. K.; Asgari, Reza

Published

2008

Language

EN