Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2000-09-11
Physical Review B, vol. 63, 113102 (2001)
Physics
Condensed Matter
Strongly Correlated Electrons
RevTex, 4 pages, 3 ps figures included; references added and updated, added a fit to exp data of Okamoto et. al. (Fig. 2) and
Scientific paper
10.1103/PhysRevB.63.113102
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.
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