Exact solution of the one-dimensional super-symmetric t-J model with unparallel boundary fields

Abstract

The exact solution of the one-dimensional super-symmetric t-J model under generic integrable boundary conditions is obtained via the Bethe ansatz methods. With the coordinate Bethe ansatz, the corresponding R-matrix and K-matrices are derived for the second eigenvalue problem associated with spin degrees of freedom. It is found that the second eigenvalue problem can be transformed to that of the transfer matrix of the inhomogeneous XXX spin chain, which allows us to obtain the spectrum of the Hamiltonian and the associated Bethe ansatz equations by the off-diagonal Bethe ansatz method.

Published version. arXiv admin note: text overlap with arXiv:1311.0432

References in corpus (2)

• Exact solution of the one-dimensional Hubbard model with arbitrary boundary magnetic fields
• Spectrum of the supersymmetric t-J model with non-diagonal open boundaries

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