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Pseudogaps in an incoherent metal | | K Haule
; A Rosch
; J Kroha
; P Wölfle
; | | Date: |
2 Dec 2002 | | Journal: | Phys Rev Lett, 89 (23), 236402 | | Abstract: | How are the properties of a metal changed by strong inelastic scattering? We investigate this question within the two-dimensional t-J model using extended dynamical mean field theory and a generalized noncrossing approximation. Short-ranged antiferromagnetic fluctuations lead to a strongly incoherent single particle dynamics, large entropy, and resistance. Close to the Mott transition at low hole doping a pseudogap opens, accompanied by a drop in resistivity and an increase in the Hall constant for both lower temperatures T and doping levels. The behavior obtained bears surprising similarity to properties of the cuprates. | | Source: | PubMed, pmid12485023 | | Services: | Forum | Review | Favorites | |
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