Abstract
We present exact results for the correlation functions of the XXZ Heisenberg chain in the thermodynamic limit for the anisotropy parameter Δ = 1/2. We show that the results are given by integers.
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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 150, No. 2, pp. 304–310, February, 2007.
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Slavnov, N.A. Correlation functions of the XXZ Heisenberg chain for Δ = 1/2. Theor Math Phys 150, 259–265 (2007). https://doi.org/10.1007/s11232-007-0019-y
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DOI: https://doi.org/10.1007/s11232-007-0019-y