Renormalized Landau Levels and Particle-Hole Symmetry in Graphene

Details Renormalized Landau Levels and Particle-Hole Symmetry in Graphene Renormalized Landau Levels and Particle-Hole Symmetry in Graphene

2009-10-05

arxiv.org/abs/0910.0841v1

International Journal of Modern Physics B, Volume 23, Issue 12-13, pp. 2634-2640 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1142/S0217979209062104

In this proceedings paper we report on a calculation of graphene's Landau levels in a magnetic field. Our calculations are based on a self-consistent Hartree-Fock approximation for graphene's massless-Dirac continuum model. We find that because of graphene's chiral band structure interactions not only shift Landau-level energies, as in a non-relativistic electron gas, but also alter Landau level wavefunctions. We comment on the subtle continuum model regularization procedure necessary to correctly maintain the lattice-model's particle hole symmetry properties.

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