Bosonic description of a Tomonaga-Luttinger model with impurities

Details Bosonic description of a Tomonaga-Luttinger model with impurities Bosonic description of a Tomonaga-Luttinger model with impurities

1999-01-04

arxiv.org/abs/hep-th/9901007v2

Phys.Lett. B452 (1999) 98-102

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, latex, no figures. Minor correction in eq. (6). Version to appear in PLB

Scientific paper

10.1016/S0370-2693(99)00269-5

We extend a recently proposed non-local version of Coleman's equivalence between the Thirring and sine-Gordon models to the case in which the original fermion fields interact with fixed impurities. We explain how our results can be used in the context of one-dimensional strongly correlated systems (the so called Tomonaga-Luttinger model) to study the dependence of the charge-density oscillations on the range of the fermionic interactions.

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