Geodesic
Temperature dependence of the correlation length in a~one-dimensional Bose gas
Teoretičeskaâ i matematičeskaâ fizika, Tome 64 (1985) no. 1, pp. 92-102

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The asymptotic behavior of the current correlation function at large distances is investigated by means of the expansion constructed earlier by the authors and Izergin [1, 2, 3]. The correlation length is calculated for arbitrary coupling constant. 
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     author = {N. M. Bogolyubov and V. E. Korepin},
     title = {Temperature dependence of the correlation length in a~one-dimensional {Bose} gas},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {1985},
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     url = {http://geodesic.mathdoc.fr/item/TMF_1985_64_1_a9/}
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N. M. Bogolyubov; V. E. Korepin. Temperature dependence of the correlation length in a~one-dimensional Bose gas. Teoretičeskaâ i matematičeskaâ fizika, Tome 64 (1985) no. 1, pp. 92-102. http://geodesic.mathdoc.fr/item/TMF_1985_64_1_a9/