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Indications of coherence-incoherence crossover in layered transport | | Urban Lundin
; Ross H. McKenzie
; | | Date: |
27 Nov 2002 | | Journal: | Physiccal Review B 68, 081101R (2003) DOI: 10.1103/PhysRevB.68.081101 | | Subject: | Strongly Correlated Electrons; Superconductivity | cond-mat.str-el cond-mat.supr-con | | Abstract: | For many layered metals the temperature dependence of the interlayer resistance has a different behavior than the intralayer resistance. In order to better understand interlayer transport we consider a concrete model which exhibits this behavior. A small polaron model is used to illustrate how the interlayer transport is related to the coherence of quasi-particles within the layers. Explicit results are given for the electron spectral function, interlayer optical conductivity and the interlayer magnetoresistance. All these quantities have two contributions: one coherent (dominant at low temperatures) and one incoherent (dominant at high temperatures). | | Source: | arXiv, cond-mat/0211612 | | Services: | Forum | Review | PDF | Favorites | |
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