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math-ph2022★ 1 cited
Algebraic Bethe ansatz for Q-operators of the open XXX Heisenberg chain with arbitrary spin
Rouven Frassek, István M. Szécsényi
In this note we construct Q-operators for the spin s open Heisenberg XXX chain with diagonal boundaries in the framework of the quantum inverse scattering method. Following the alg…
math-ph2015★ 23 cited
Q-operators for the open Heisenberg spin chain
Rouven Frassek, Istvan M. Szecsenyi
We construct Q-operators for the open spin-1/2 XXX Heisenberg spin chain with diagonal boundary matrices. The Q-operators are defined as traces over an infinite-dimensional auxilia…