Algebraic Bethe ansatz for the one-dimensional Hubbard model with open boundaries

TL;DR

This paper applies the algebraic Bethe ansatz to exactly solve the one-dimensional Hubbard model with open boundaries, deriving eigenvalues, energy spectrum, and Bethe ansatz equations.

Contribution

It introduces an exact solution method for the Hubbard model with open boundaries using algebraic Bethe ansatz, extending previous approaches.

Findings

Eigenvalues of the transfer matrix are obtained.

The energy spectrum is explicitly derived.

Bethe ansatz equations are formulated for the model.

Abstract

The one-dimensional Hubbard model with open boundary conditions is exactly solved by means of algebraic Bethe ansatz. The eigenvalue of the transfer matrix, the energy spectrum as well as the Bethe ansatz equations are obtained.