Electrons, pseudoparticles, and quasiparticles in one-dimensional interacting electronic systems

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dc.creatorCarmelo, J. M. P.
dc.creatorNeto, A. H. Castro
dc.creatorPeres, N. M. R.
dc.date1995-05-08
dc.date.accessioned2026-07-07T03:07:42Z
dc.date.available2026-07-07T03:07:42Z
dc.descriptionWe find the singular transformation between the electron operator and the pseudoparticle operators for the Hubbard chain. We generalize the concept of quasiparticle to one-dimensional electronic systems which in 1D refers to many-pseudoparticle objects. We obtain explicit results for the electron renormalization factor, self energy, and vertex functions at the Fermi points. We also discuss the possible connection of our results to higher dimensions and explore the possibilities of instabilities in the interacting problem such as the formation of Cooper pairs.
dc.description11 pages, RevTeX, preprint ITP
dc.identifierhttps://arxiv.org/abs/cond-mat/9505029
dc.identifierhttp://arxiv.org/abs/cond-mat/9505029
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/27265
dc.subjectCondensed Matter
dc.titleElectrons, pseudoparticles, and quasiparticles in one-dimensional interacting electronic systems
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