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Coherence of polaronic transport in layered metals

Urban Lundin·Ross H. McKenzie
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Abstract

Layered systems shows anisotropic transport properties. The interlayer conductivity show a general temperature dependence for a wide class of materials. This can be understood if conduction occurs in two different channels activated at different temperatures. We show that the characteristic temperature dependence can be explained using a polaron model for the transport. The results show an intuitive interpretation in terms of coherent and incoherent quasi-particles within the layers. Further, we extract results for the magnetoresistance, thermopower, spectral function and optical conductivity for the model and discuss application to experiments.

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Urban Lundin, Ross H. McKenzie. 2004-05-25. Coherence of polaronic transport in layered metals. https://doi.org/10.1088/0953-8984%2F16%2F37%2F006

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