Symmetry, Integrability and Geometry: Methods and Applications (SIGMA)


SIGMA 13 (2017), 015, 17 pages      arXiv:1611.00943      https://doi.org/10.3842/SIGMA.2017.015

Bethe Vectors for Composite Models with $\mathfrak{gl}(2|1)$ and $\mathfrak{gl}(1|2)$ Supersymmetry

Jan Fuksa ab
a) Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russia
b) Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Czech Republic

Received November 18, 2016, in final form March 03, 2017; Published online March 13, 2017

Abstract
Supersymmetric composite generalized quantum integrable models solvable by the algebraic Bethe ansatz are studied. Using a coproduct in the bialgebra of monodromy matrix elements and their action on Bethe vectors, formulas for Bethe vectors in the composite models with supersymmetry based on the super-Yangians $Y[\mathfrak{gl}(2|1)]$ and $Y[\mathfrak{gl}(1|2)]$ are derived.

Key words: algebraic Bethe ansatz; composite models.

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