Geodesic
Solutions of the Bethe ansatz equations for XXX antiferromagnet of arbitrary spin in the case of a finite number of sites
Teoretičeskaâ i matematičeskaâ fizika, Tome 71 (1987) no. 2, pp. 272-289 Cet article a éte moissonné depuis la source Math-Net.Ru

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For the exactly integrable isotropic Heisenberg model of the chain of $N$ spins $s$, numerical solutions of the Bethe-ansatz equations are obtained which correspond to the antiferromagnetic vacuum (for $sN\leq 128$) and the simplest excitations. At $s=1$, the complete set of states is presented for $N=6$ and the vacuum solution is estimated analytically for finite $N$. Deviations from the “string” picture for large $N$ are discussed. 
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     author = {L. V. Avdeev and B. Derfel'},
     title = {Solutions of the {Bethe} ansatz equations for {XXX} antiferromagnet of arbitrary spin in the case of a~finite number of sites},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {272--289},
     year = {1987},
     volume = {71},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_71_2_a9/}
}
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L. V. Avdeev; B. Derfel'. Solutions of the Bethe ansatz equations for XXX antiferromagnet of arbitrary spin in the case of a finite number of sites. Teoretičeskaâ i matematičeskaâ fizika, Tome 71 (1987) no. 2, pp. 272-289. http://geodesic.mathdoc.fr/item/TMF_1987_71_2_a9/

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