Geodesic
Generalized Heisenberg Model
Teoretičeskaâ i matematičeskaâ fizika, Tome 130 (2002) no. 3, pp. 451-459

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We consider the $XXZ$-model for a chain of particles whose spins are arbitrary with the anisotropy parameter equal to the root of minus one and generalized periodic boundary conditions. The conditions for the truncation of the functional fusion relations of the transfer matrices are obtained. The truncation results in a closed system of equations whose solution allows obtaining the energy spectrum. 
@article{TMF_2002_130_3_a5,
     author = {S. Yu. Gubanov},
     title = {Generalized {Heisenberg} {Model}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {451--459},
     publisher = {mathdoc},
     volume = {130},
     number = {3},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2002_130_3_a5/}
}
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S. Yu. Gubanov. Generalized Heisenberg Model. Teoretičeskaâ i matematičeskaâ fizika, Tome 130 (2002) no. 3, pp. 451-459. http://geodesic.mathdoc.fr/item/TMF_2002_130_3_a5/