Bethe ansatz for the SU(4) extension of the Hubbard Model

Details Bethe ansatz for the SU(4) extension of the Hubbard Model Bethe ansatz for the SU(4) extension of the Hubbard Model

1999-11-11

arxiv.org/abs/cond-mat/9911166v2

J.Phys.Soc.Jpn 69 (2000) 3797-3804

Physics

Condensed Matter

Strongly Correlated Electrons

Latex file, 12 pages

Scientific paper

10.1143/JPSJ.69.3797

We apply the nested algebraic Bethe ansatz method to solve the eigenvalue
problem for the SU(4) extension of the Hubbard model. The Hamiltonian is
equivalent to the SU(4) graded permutation operator. The graded Yang-Baxter
equation and the graded Quantum Inverse Scattering Method are used to obtain
the eigenvalue of the SU(4) extension of the Hubbard model.

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