paper

The Algebraic Bethe Ansatz and Tensor Networks

arXiv:1201.5627 · doi:10.1103/PhysRevB.86.045125

Abstract

We describe the Algebraic Bethe Ansatz for the spin-1/2 XXX and XXZ Heisenberg chains with open and periodic boundary conditions in terms of tensor networks. These Bethe eigenstates have the structure of Matrix Product States with a conserved number of down-spins. The tensor network formulation suggestes possible extensions of the Algebraic Bethe Ansatz to two dimensions.

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