Algebraic Bethe ansatz for integrable Kondo impurities in the one-dimensional supersymmetric t-J model

Details Algebraic Bethe ansatz for integrable Kondo impurities in the one-dimensional supersymmetric t-J model Algebraic Bethe ansatz for integrable Kondo impurities in the one-dimensional supersymmetric t-J model

1998-09-03

arxiv.org/abs/cond-mat/9809055v1

Physics

Condensed Matter

Statistical Mechanics

6 pages, RevTex

Scientific paper

10.1016/S0375-9601(98)00885-8

An integrable Kondo problem in the one-dimensional supersymmetric t-J model is studied by means of the boundary supersymmetric 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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