Phenomenological model for magnetotransport in a multi-orbital system

Details Phenomenological model for magnetotransport in a multi-orbital system Phenomenological model for magnetotransport in a multi-orbital system

2000-07-25

arxiv.org/abs/cond-mat/0007391v1

Physical Review B 62, 9884 (2000)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 3 Figure; to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.62.9884

By means of the Boltzmann equation, we have calculated some magnetotransport quantities for the layered multi-orbital compound Sr$_2$RuO$_4$. The Hall coefficient, the magnetoresistance and the in-plane resistivity have been determined taking into account the Fermi surface curvature and different time collisions for the electrons in the $t_{2g}$ bands. A consistent explanation of the experimental results has been obtained assuming different relaxation rates for the in-plane transport with and without an applied magnetic field, respectively.

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