Geodesic
Wronskian-type formula for inhomogeneous $TQ$ equations
Teoretičeskaâ i matematičeskaâ fizika, Tome 204 (2020) no. 3, pp. 430-435

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It is known that the transfer-matrix eigenvalues of the isotropic open Heisenberg quantum spin-1/2 chain with nondiagonal boundary magnetic fields satisfy a $TQ$ equation with an inhomogeneous term. We derive a discrete Wronskian-type formula relating a solution of this inhomogeneous $TQ$ equation to the corresponding solution of a dual inhomogeneous $TQ$ equation.
Keywords: Bethe ansatz, discrete Wronskian, boundary integrability.
Mots-clés : $TQ$ equation 
@article{TMF_2020_204_3_a6,
     author = {Rafael I. Nepomechie},
     title = {Wronskian-type formula for inhomogeneous $TQ$ equations},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {430--435},
     publisher = {mathdoc},
     volume = {204},
     number = {3},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2020_204_3_a6/}
}
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Rafael I. Nepomechie. Wronskian-type formula for inhomogeneous $TQ$ equations. Teoretičeskaâ i matematičeskaâ fizika, Tome 204 (2020) no. 3, pp. 430-435. http://geodesic.mathdoc.fr/item/TMF_2020_204_3_a6/