Integrable Kondo impurities in the one-dimensional supersymmetric extended Hubbard model

Details Integrable Kondo impurities in the one-dimensional supersymmetric extended Hubbard model Integrable Kondo impurities in the one-dimensional supersymmetric extended Hubbard model

1998-11-04

arxiv.org/abs/cond-mat/9811048v1

Physics

Condensed Matter

Statistical Mechanics

5 pages, RevTex

Scientific paper

10.1088/0305-4470/32/28/315

An integrable Kondo problem in the one-dimensional supersymmetric extended Hubbard model is studied by means of the boundary graded quantum inverse scattering method. The boundary $K$ matrices depending on the local moments of the impurities are presented as a nontrivial realization of the graded reflection equation algebras in a two-dimensional impurity Hilbert space. Further,the model is solved by using the algebraic Bethe ansatz method and the Bethe ansatz equations are obtained.

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