paper

The effect of a parallel magnetic field on the Boltzmann conductivity and the Hall coefficient of a disordered two dimensional Fermi liquid

arXiv:cond-mat/0009164 · doi:10.1103/PhysRevB.63.113102

Abstract

Screening of an external random potential by a two dimensional (2D) Fermi liquid may be strongly dependent on the degree of its polarization. This is considered as a possible mechanism for the observed strong magnetoresistance of the 2D electron liquid in the magnetic field parallel to the electron plane. A Hartree-Fock calculation for the weakly disordered Hubbard model which qualitatively describes the experiments on the diagonal and the Hall resisitivity in the finite-temperature metallic state in the high mobility Si inversion layers is presented.

RevTex, 4 pages, 3 ps figures included; references added and updated, added a fit to exp data of Okamoto et. al. (Fig. 2) and a discussion on differences and similarities with Dolgopolov and Gold theory; added a calculation of the Hall coefficient and the discussion of the Vitkalov et. al. experiment

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