Magnetotransport in the doped Mott insulator

Abstract

We investigate the Hall effect and the magnetoresistance of strongly correlated electron systems using the dynamical mean-field theory. We treat the low- and high-temperature limits analytically and explore some aspects of the intermediate-temperature regime numerically. We observe that a bipartite-lattice condition is responsible for the high-temperature result ${\sigma }_{xy}\sim 1/T^2$ obtained by various authors, whereas the general behavior is ${\sigma }_{xy}\sim 1/T$, as for the longitudinal conductivity. We find that Kohler's rule is neither obeyed at high nor at intermediate temperatures.

9 pages, 7 figures, accepted for publication in Phys. Rev. B

References in corpus (1)

• Thermoelectric Response Near the Density Driven Mott Transition

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