Resolution of the Nested Hierarchy for Rational sl(n) Models

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We construct Drinfel'd twists for the rational sl(n) XXX-model giving rise to a completely symmetric representation of the monodromy matrix. We obtain a polarization free representation of the pseudoparticle creation operators figuring in the construction of the Bethe vectors within the framework of the quantum inverse scattering method. This representation enables us to resolve the hierarchy of the nested Bethe ansatz for the sl(n) invariant rational Heisenberg model. Our results generalize the findings of Maillet and Sanchez de Santos for sl(2) models.
25 pages, no figures

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Exactly Solvable and Integrable Systems, Condensed Matter, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/185767

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0002027
 http://arxiv.org/abs/nlin/0002027
 J.Phys.A33:4963-4980,2000
 doi:10.1088/0305-4470/33/28/302

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arXiv