J. Phys. I France
Volume 1, Numéro 10, October 1991
Page(s) 1469 - 1479
DOI: 10.1051/jp1:1991220
J. Phys. I France 1 (1991) 1469-1479

On galvanomagnetic effects in layered conductors

V.G. Peschansky, J.A. Roldan Lopez and Toyi Gnado Yao

Kharkov State University, Institute for Low Temperature Physics and Engineering Ukr SSR Academy of Sciences, Kharkov, U.S.S.R.

(Received 24 June 1991, accepted 18 July 1991)

In the quasiclassical approximation we analyze the dependences of the resistivity $\rho$ and Hall field on the magnetic field orientation and intensity in layered conductors with quasi-2D energy spectrum of arbitrary form. The Shubnikov-de Haas amplitudes are shown to drop abruptly and the smooth part of magnetoresistance to increase at certain orientation of H when the respective extreme (Fermi surface) FS cross section is self-intersecting. Anisotropy of $\rho$, depending essentially on FS topology, manifests itself most when the current flows across the layers.

© Les Editions de Physique 1991

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