Electric transport and magnetic properties in multilayer graphene

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dc.creatorNakamura, Masaaki
dc.creatorHirasawa, Lila
dc.date2007-11-19
dc.date2008-01-31
dc.date.accessioned2026-07-07T08:57:14Z
dc.date.available2026-07-07T08:57:14Z
dc.descriptionWe discuss electric transport and orbital magnetism of multilayer graphenes in a weak-magnetic field using the matrix decomposition technique. At zero temperature, the minimum conductivity is given by that of the monolayer system multiplied by the layer number $N$, independent of the interlayer hopping $t$. When the interlayer hopping satisfies the condition $t\gg \hbar/τ$ with $τ$ being collision time of impurity scattering, $[N/2]$ kinks and $[N/2]+1$ plateaux appear in the Fermi-energy (gate voltage) dependence of the conductivity and the Hall conductivity, respectively. These behaviors are interpreted as multiband effects. We also found that the Hall conductivity and the magnetic susceptibility take minimum value as a function of temperature, for certain value of the gate voltage. This behavior is explained by Fermi-energy dependence of these functions at zero temperature.
dc.description11 pages, 11 figures
dc.identifierhttps://arxiv.org/abs/0711.2940
dc.identifierhttp://arxiv.org/abs/0711.2940
dc.identifierPhys. Rev. B, 77 (2008) 045429
dc.identifierdoi:10.1103/PhysRevB.77.045429
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/146886
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titleElectric transport and magnetic properties in multilayer graphene
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