Finite temperature bosonization

Details Finite temperature bosonization Finite temperature bosonization

2001-05-08

arxiv.org/abs/cond-mat/0105154v1

Physics

Condensed Matter

Strongly Correlated Electrons

REVTex, 48 pages

Scientific paper

10.1080/13642810110066443

Finite temperature properties of a non-Fermi liquid system is one of the most challenging probelms in current understanding of strongly correlated electron systems. The paradigmatic arena for studying non-Fermi liquids is in one dimension, where the concept of a Luttinger liquid has arisen. The existence of a critical point at zero temperature in one dimensional systems, and the fact that experiments are all undertaken at finite temperature, implies a need for these one dimensional systems to be examined at finite temperature. Accordingly, we extended the well-known bosonization method of one dimensional electron systems to finite temperatures. We have used this new bosonization method to calculate finite temperature asymptotic correlation functions for linear fermions, the Tomonaga-Luttinger model, and the Hubbard model.

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