Magnetoplasmons excitations in graphene for filling factors $ν\leq 6$

Details Magnetoplasmons excitations in graphene for filling factors $ν\leq 6$ Magnetoplasmons excitations in graphene for filling factors $ν\leq 6$

2007-10-12

arxiv.org/abs/0710.2420v1

Physics

Condensed Matter

Strongly Correlated Electrons

15 pages, 7 figures

Scientific paper

10.1103/PhysRevB.77.125417

In the frame of the Hartree-Fock approximation, the dispersion of magnetoplasmons in Graphene is derived for all types of transitions for filling factors $\nu\leq 6$. The optical conductivity components of the magnetoplasmon curves are calculated. It is shown that the electron-electron interactions lead to a strong re-normalization of the apparent Fermi velocity of Graphene which is different for different types of transitions.

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