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A 2D Luttinger Model
KTH, School of Engineering Sciences (SCI), Theoretical Physics, Mathematical Physics.
2010 (English)In: Journal of statistical physics, ISSN 0022-4715, E-ISSN 1572-9613, Vol. 141, no 1, 17-52 p.Article in journal (Refereed) Published
Abstract [en]

A detailed derivation of a two dimensional (2D) low energy effective model for spinless fermions on a square lattice with local interactions is given. This derivation utilizes a particular continuum limit that is justified by physical arguments. It is shown that the effective model thus obtained can be treated by exact bosonization methods. It is also discussed how this effective model can be used to obtain physical information about the corresponding lattice fermion system.

Place, publisher, year, edition, pages
2010. Vol. 141, no 1, 17-52 p.
Keyword [en]
2D lattice fermion systems, Continuum limit, Bosonization, Exactly solvable model
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-26679DOI: 10.1007/s10955-010-0029-2ISI: 000281726300002ScopusID: 2-s2.0-84755161578OAI: diva2:373326
QC 20101130Available from: 2010-11-30 Created: 2010-11-26 Last updated: 2010-11-30Bibliographically approved

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Langmann, Edwin
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