Correlation Functions of the XXZ model for $Δ<-1$

Details Correlation Functions of the XXZ model for $Δ<-1$ Correlation Functions of the XXZ model for $Δ<-1$

1992-05-16

arxiv.org/abs/hep-th/9205055v2

Phys.Lett.A168:256-263,1992

Physics

High Energy Physics

High Energy Physics - Theory

10 pages

Scientific paper

10.1016/0375-9601(92)91128-E

A new approach to the correlation functions is presented for the XXZ model in the anti-ferroelectric regime. The method is based on the recent realization of the quantum affine symmetry using vertex operators. With the aid of a boson representation for the latter, an integral formula is found for correlation functions of arbitrary local operators. As a special case it reproduces the spontaneous staggered polarization obtained earlier by Baxter.

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