Geodesic
The~$R$-matrix factorization, $Q$-operator, and variable separation
Teoretičeskaâ i matematičeskaâ fizika, Tome 169 (2011) no. 2, pp. 204-217

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We show a connection between the $R$-matrix factorization, the Baxter $Q$-operator, and separation of variables in the example of an integrable spin chain with the $SL(2,\mathbb{C})$ symmetry group.
Keywords: Yang–Baxter equation, $Q$-operator, separation of variables. 
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     author = {S. \`E. Derkachev},
     title = {The~$R$-matrix factorization, $Q$-operator, and variable separation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {204--217},
     publisher = {mathdoc},
     volume = {169},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2011_169_2_a2/}
}
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S. È. Derkachev. The~$R$-matrix factorization, $Q$-operator, and variable separation. Teoretičeskaâ i matematičeskaâ fizika, Tome 169 (2011) no. 2, pp. 204-217. http://geodesic.mathdoc.fr/item/TMF_2011_169_2_a2/