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Type: Artigo de periódico
Title: Extended States In Interacting One-dimensional Disordered Polymeric Chains
Author: Laks B.
Galvao D.S.
Abstract: Recently, based on the study of long, disordered, one-dimensional chains, it has been proposed that disorder is in the origin of the metallic transition in conducting polymers. Disorder could induce the appearance of extended (conducting) states near the Fermi level. It has been argued that this kind of state could not survive if interactions among chains are taken into account. In this work we show that the extended states can survive, even considering the interactions among chains. The electronic density of states of long chains were obtained through the use of the negative factor counting technique coupled to a tight-binding hamiltonian.
Rights: fechado
Identifier DOI: 
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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