Unified algebraic Bethe ansatz for two-dimensional lattice models

Details Unified algebraic Bethe ansatz for two-dimensional lattice models Unified algebraic Bethe ansatz for two-dimensional lattice models

1999-01-05

arxiv.org/abs/solv-int/9901002v1

Nonlinear Sciences

Exactly Solvable and Integrable Systems

plain latex, 9 pages

Scientific paper

10.1103/PhysRevE.59.7220

We develop a unified formulation of the quantum inverse scattering method for lattice vertex models associated to the non-exceptional $A^{(2)}_{2r}$, $A^{(2)}_{2r-1}$, $B^{(1)}_r$, $C^{(1)}_r$, $D^{(1)}_{r+1}$ and $D^{(2)}_{r+1}$ Lie algebras. We recast the Yang-Baxter algebra in terms of novel commutation relations between creation, annihilation and diagonal fields. The solution of the $D^{(2)}_{r+1}$ model is based on an interesting sixteen-vertex model which is solvable without recourse to a Bethe ansatz.

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