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Regular version of the site

Article

Multiple Actions of the Monodromy Matrix in gl(2|1)-Invariant Integrable Models

Hutsalyuk A., Liashyk A., Pakuliak S., Ragoucy E., Slavnov N.

We study gl(2|1) symmetric integrable models solvable by the nested algebraic Bethe ansatz.
Using explicit formulas for the Bethe vectors we derive the actions of the monodromy matrix entries
onto these vectors. We show that the result of these actions is a finite linear combination of Bethe vectors.
The obtained formulas open a way for studying scalar products of Bethe vectors.