Algebraic Bethe ansatz for U(1) Invariant Integrable Models: Compact and non-Compact Applications

Abstract

We apply the algebraic Bethe ansatz developed in our previous paper \cite{CM} to three different families of U(1) integrable vertex models with arbitrary $N$ bond states. These statistical mechanics systems are based on the higher spin representations of the quantum group $U_q[SU(2)]$ for both generic and non-generic values of $q$ as well as on the non-compact discrete representation of the $SL(2,\mathcal{R})$ algebra. We present for all these models the explicit expressions for both the on-shell and the off-shell properties associated to the respective transfer matrices eigenvalue problems. The amplitudes governing the vectors not parallel to the Bethe states are shown to factorize in terms of elementary building blocks functions. The results for the non-compact $SL(2,\mathcal{R})$ model are argued to be derived from those obtained for the compact systems by taking suitable $N\to \infty$ limits. This permits us to study the properties of the non-compact $SL(2,\mathcal{R})$ model starting from systems with finite degrees of freedom.

39 pages, new appendix and references added

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Cited by in corpus (8)

• Non-compact quantum spin chains as integrable stochastic particle processes
• On exact overlaps in integrable spin chains
• Correlation functions of the integrable higher-spin XXX and XXZ spin chains through the fusion method
• Algebraic Bethe Ansatz for U(1) Invariant Integrable Models: The Method and General Results
• Coordinate Bethe Ansatz for Spin s XXX Model
• Algebraic Bethe ansatz for Q-operators of the open XXX Heisenberg chain with arbitrary spin
• Steady state representations for the harmonic process
• The spectrum of an open vertex model based on the U_q[SU(2)] at roots of unity