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Coherence of polaronic transport in layered metals | | Urban Lundin
; Ross H. McKenzie
; | | Date: |
25 May 2004 | | Journal: | J. Phys.: Condens. Matter 16 (2004) 6695-6712 DOI: 10.1088/0953-8984/16/37/006 | | Subject: | Mesoscopic Systems and Quantum Hall Effect; Superconductivity | cond-mat.mes-hall cond-mat.supr-con | | 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. | | Source: | arXiv, cond-mat/0405572 | | Services: | Forum | Review | PDF | Favorites | |
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