Small polarons and c-axis transport in highly anisotropic metals
Strongly Correlated Electrons
2007-05-23 v1
Abstract
Motivated by the anomalous c-axis transport properties of the quasi two-dimensional metal, , and related compounds, we have studied the interlayer hopping of single electrons that are coupled strongly to c-axis bosons. We find a c-axis resistivity that reflects the in-plane electronic scattering in the low and very high temperature limits (relative to the characteristic temperature of the boson ). For temperatures near the , a broad maximum in the resistivity can appear for sufficiently strong electron-boson coupling. This feature may account for the observed ``metallic to non-metallic crossover'' seen in these layered oxides, where the boson may be a phonon.
Cite
@article{arxiv.cond-mat/0211675,
title = {Small polarons and c-axis transport in highly anisotropic metals},
author = {A. F. Ho and A. J. Schofield},
journal= {arXiv preprint arXiv:cond-mat/0211675},
year = {2007}
}