Crossover from the weak to strong-field behavior of the longitudinal interlayer magnetoresistance in quasi-two-dimensional conductors

Abstract

We investigate the monotonic growth of longitudinal interlayer magnetoresistance ${\bar{R}}_{zz}(B_z)$, analytically and numerically in the self-consistent Born approximation. We show that in a weak magnetic field the monotonic part of ${\bar{R}}_{zz}(B_z)$ is almost constant and starts to grow only above the crossover field $B_c$, when the Landau levels (LL) become isolated, i.e. when the LL separation becomes greater than the LL broadening. In higher field $B_z>>B_c$, ${\bar{R}}_{zz}(B_z)\propto B_z^{1/2}$ in agreement with previous works.

5 pages, 3 figures

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• False spin zeros in the angular dependence of magnetic quantum oscillation in quasi-two-dimensional metals
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