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Fermions in two dimensions, bosonization, and exactly solvable models
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
KTH, School of Engineering Sciences (SCI), Theoretical Physics.
2012 (English)In: International Journal of Modern Physics B, ISSN 0217-9792, Vol. 26, no 22, 1244005- p.Article, review/survey (Refereed) Published
Abstract [en]

We discuss interacting fermion models in two dimensions, and, in particular, such that can be solved exactly by bosonization. One solvable model of this kind was proposed by Mattis as an effective description of fermions on a square lattice. We review recent work on a specific relation between a variant of Mattis' model and such a lattice fermion system, as well as the exact solution of this model. The background for this work includes well-established results for one-dimensional systems and the high-T c problem. We also mention exactly solvable extensions of Mattis' model.

Place, publisher, year, edition, pages
2012. Vol. 26, no 22, 1244005- p.
Keyword [en]
2D correlated fermions, Bosonization, exactly solvable models
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-101333DOI: 10.1142/S0217979212440055ISI: 000306945500007Scopus ID: 2-s2.0-84864346139OAI: oai:DiVA.org:kth-101333DiVA: diva2:547902
Funder
Swedish Research Council, 621-2010-3708
Note

QC 20120829

Available from: 2012-08-29 Created: 2012-08-27 Last updated: 2017-12-07Bibliographically approved

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