Bethe ansatz solution of the closed anisotropic supersymmetric U model with quantum supersymmetry

Abstract

The nested algebraic Bethe ansatz is presented for the anisotropic supersymmetric $U$ model maintaining quantum supersymmetry. The Bethe ansatz equations of the model are obtained on a one-dimensional closed lattice and an expression for the energy is given.

7 pages (revtex), minor modifications. To appear in Mod. Phys. Lett. A

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