Fusion for the one-dimensional Hubbard model
Niklas Beisert, Marius de Leeuw, Panchali Nag
TL;DR
This paper develops a fusion procedure applicable to non-standard R-matrices, enabling the construction of bound state R-matrices for the Hubbard model and AdS/CFT scattering, addressing unique challenges in these integrable systems.
Contribution
It introduces a novel fusion formulation suitable for non-standard R-matrices, facilitating the analysis of bound states in complex integrable models.
Findings
Constructed bound state R-matrices for the Hubbard model.
Extended fusion techniques to AdS/CFT scattering.
Identified peculiar cases in these models.
Abstract
We discuss a formulation of the fusion procedure for integrable models which is suitable for application to non-standard R-matrices. It allows for construction of bound state R-matrices for AdS/CFT worldsheet scattering or equivalently for the one-dimensional Hubbard model. We also discuss some peculiar cases that arise in these models.
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