Geodesic
Jordanian deformation of the~open XXX spin chain
Teoretičeskaâ i matematičeskaâ fizika, Tome 163 (2010) no. 2, pp. 288-298

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We find the general solution of the reflection equation associated with the Jordanian deformation of the $SL(2)$-invariant Yang $R$-matrix. A special scaling limit of the XXZ model with general boundary conditions leads to the same $K$-matrix. Following the Sklyanin formalism, we derive the Hamiltonian with the boundary terms in explicit form. We also discuss the structure of the spectrum of the deformed XXX model and its dependence on the boundary conditions.
Mots-clés : spin chain
Keywords: boundary condition, quantum group, reflection equation. 
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     author = {P. P. Kulish and N. Manoilovich and Z. Nagy},
     title = {Jordanian deformation of the~open {XXX} spin chain},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {288--298},
     publisher = {mathdoc},
     volume = {163},
     number = {2},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2010_163_2_a4/}
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P. P. Kulish; N. Manoilovich; Z. Nagy. Jordanian deformation of the~open XXX spin chain. Teoretičeskaâ i matematičeskaâ fizika, Tome 163 (2010) no. 2, pp. 288-298. http://geodesic.mathdoc.fr/item/TMF_2010_163_2_a4/