Geodesic
Correlation functions of the~XXZ Heisenberg chain for $\Delta=1/2$
Teoretičeskaâ i matematičeskaâ fizika, Tome 150 (2007) no. 2, pp. 304-310

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We present exact results for the correlation functions of the XXZ Heisenberg chain in the thermodynamic limit for the anisotropy parameter $\Delta=1/2$. We show that the results are given by integers.
Keywords: correlation functions, alternating sign matrices. 
@article{TMF_2007_150_2_a8,
     author = {N. A. Slavnov},
     title = {Correlation functions of {the~XXZ} {Heisenberg} chain for $\Delta=1/2$},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {304--310},
     publisher = {mathdoc},
     volume = {150},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2007_150_2_a8/}
}
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N. A. Slavnov. Correlation functions of the~XXZ Heisenberg chain for $\Delta=1/2$. Teoretičeskaâ i matematičeskaâ fizika, Tome 150 (2007) no. 2, pp. 304-310. http://geodesic.mathdoc.fr/item/TMF_2007_150_2_a8/