2015, Vol.18, No.1, pp.81-98
A model N = 3 of graphene charge carriers has been proposed. Within the model the pseudo-helicity is determined by the exchange interaction for pz-electrons. The symmetry properties of the model have been examined. It has been shown that the pseudo-helicity conservation law allows to explain experimental data on "moire" pattern and long spin relaxation time in graphene.
Key words: graphene monolayer, Dirac-Hartree-Fock self-consistent field, second quantized exchange interaction, charged pseudo-exciton, supperlattice
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