Magnetic oscillations in planar systems with the Dirac-like spectrum of quasiparticle excitations II: transport properties

Details Magnetic oscillations in planar systems with the Dirac-like spectrum of quasiparticle excitations II: transport properties Magnetic oscillations in planar systems with the Dirac-like spectrum of quasiparticle excitations II: transport properties

2004-11-15

arxiv.org/abs/cond-mat/0411381v3

Phys.Rev. B71 (2005) 125124

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages, RevTeX4, 6 EPS figures; 2 references, 1 figure and one more section are added; final version published in PRB

Scientific paper

10.1103/PhysRevB.71.125124

The quantum magnetic oscillations of electrical (Shubnikov de Haas effect) and thermal conductivities are studied for graphene which represents a distinctive example of planar systems with a linear, Dirac-like spectrum of quasiparticle excitations. We show that if a utmost care was taken to separate electron and phonon contributions in the thermal conductivity, the oscillations of electron thermal conductivity, $\kappa(B)$ and the Lorenz number, $L(B)$ would be observable in the low field (less than a few Teslas) regime.

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