Lax pair for SU(n) Hubbard model
Ruihong Yue, Ryu Sasaki
Abstract
For one dimensional SU(n) Hubbard model, a pair of Lax operators are derived, which give a set of fundamental equations for the quantum inverse scattering method under both periodic and open boundary conditions. This provides another proof of the integrability of the model under periodic boundary condition.
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