Phenomenological study of the electronic transport coefficients of graphene

Details Phenomenological study of the electronic transport coefficients of graphene Phenomenological study of the electronic transport coefficients of graphene

2007-10-11

arxiv.org/abs/0710.2283v1

Phys. Rev. B 76, 073412 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 1 figure

Scientific paper

10.1103/PhysRevB.76.073412

Using a semi-classical approach and input from experiments on the conductivity of graphene, we determine the electronic density dependence of the electronic transport coefficients -- conductivity, thermal conductivity and thermopower -- of doped graphene. Also the electronic density dependence of the optical conductivity is obtained. Finally we show that the classical Hall effect (low field) in graphene has the same form as for the independent electron case, characterized by a parabolic dispersion, as long as the relaxation time is proportional to the momentum.

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