2 papers
math-ph2020
A Q-operator for open spin chains I: Baxter's TQ relation
Bart Vlaar, Robert Weston
We construct a Q-operator for the open XXZ Heisenberg quantum spin chain with diagonal boundary conditions and give a rigorous derivation of Baxter's TQ relation. Key roles in the…
math-ph2018
Solutions of the reflection equations
Vidas Regelskis, Bart Vlaar
We find the complete set of invertible solutions of the untwisted and twisted reflection equations for the Bazhanov-Jimbo R-matrix of type . We also show t…