Coherent versus Incoherent Transport in Layered Doped Mott Insulators

Abstract

There exist strong experimental evidences for the dimensional cross-over from two to three dimensions as \lan compounds are overdoped. In this paper we describe the dimensional cross-over of the layered correlated metal in the gauge theory framework. In particular, we obtain the anomalous exponent 3/2 for the temperature dependence of resistivity observed in overdoped \lan.

RevTex, 21 pages, no figures. Submitted to Phys. Rev. B

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