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paper

Correlation amplitude for the XXZ spin chain in the disordered regime

arXiv:cond-mat/9809254 · doi:10.1103/PhysRevB.59.11163

Abstract

We proposed an analytical expression for the amplitude defining the long distance asymptotic of the correlation function <σ^z_k σ^z_{k+n}>.

5 pages, harvmac.tex, one epsf figure