Renormalized Landau Levels and Particle-Hole Symmetry in Graphene
Abstract
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.
- Publication:
-
International Journal of Modern Physics B
- Pub Date:
- 2009
- DOI:
- 10.1142/S0217979209062104
- arXiv:
- arXiv:0910.0841
- Bibcode:
- 2009IJMPB..23.2634B
- Keywords:
-
- Graphene;
- Landau levels;
- particle-hole symmetry;
- Condensed Matter - Mesoscale and Nanoscale Physics
- E-Print:
- International Journal of Modern Physics B, Volume 23, Issue 12-13, pp. 2634-2640 (2009)