Correlation amplitude for the XXZ spin chain in the disordered regime

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

References in corpus (4)

• Low energy effective Hamiltonian for the XXZ spin chain
• Expectation values of local fields in Bullough-Dodd model and integrable perturbed conformal field theories
• Exact Correlation Amplitude for the S=1/2 Heisenberg Antiferromagnetic Chain
• Correlation amplitude for S=1/2 XXZ spin chain in the critical region

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