Coherence of polaronic transport in layered metals

Lundin, Urban and McKenzie, Ross H. (2004) Coherence of polaronic transport in layered metals. Journal of Physics: Condensed Matter, 16 37: 6695-6712. doi:10.1088/0953-8984/16/37/006


Author Lundin, Urban
McKenzie, Ross H.
Title Coherence of polaronic transport in layered metals
Journal name Journal of Physics: Condensed Matter   Check publisher's open access policy
ISSN 0953-8984
Publication date 2004-09-03
Sub-type Article (original research)
DOI 10.1088/0953-8984/16/37/006
Volume 16
Issue 37
Start page 6695
End page 6712
Total pages 18
Editor A M Stoneham
Place of publication United Kingdom
Publisher IOP Publishing Ltd
Language eng
Subject C1
240202 Condensed Matter Physics - Structural Properties
780102 Physical sciences
Abstract Layered systems show anisotropic transport properties. The interlayer conductivity shows 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.
Keyword Physics, Condensed Matter
Strongly Correlated Metals
Colossal Magnetoresistance
Doped Manganites
Thermopower
Resistivity
Sr2ruo4
Motion
Q-Index Code C1
Additional Notes DOI: 10.1088/0953-8984/16/37/006

 
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Created: Wed, 15 Aug 2007, 14:33:39 EST