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The XXC Models

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arxiv solv-int/9712008 v1 pith:3H5GPXPP submitted 1997-12-11 solv-int cond-matmath.QAnlin.SIq-alg

Z. Maassarani (Laval university) This is my paper · ORCID
classification solv-intcond-matmath.QAnlin.SIq-alg
keywords modelsadditionalalgebraicansatzbethecarriedclasscomplete
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A class of recently introduced multi-states XX models is generalized to include a deformation parameter. This corresponds to an additional nearest-neighbor CC interaction in the defining quadratic hamiltonian. Complete integrability of the one-dimensional models is shown in the context of the quantum inverse scattering method. The new R-matrix is derived. The diagonalization of the XXC models is carried out using the algebraic Bethe Ansatz.

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  1. Weak ergodicity breaking with isolated integrable sectors

    cond-mat.stat-mech 2024-12 accept novelty 7.0 of 10

    Isolated integrable subspaces can be embedded non-trivially into chaotic spin chains; all examples are perturbations of Hilbert-space-fragmented models.

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