Exact results for a one-dmensional t-J model with impurity

Details Exact results for a one-dmensional t-J model with impurity Exact results for a one-dmensional t-J model with impurity

1994-12-02

arxiv.org/abs/cond-mat/9412011v1

Physics

Condensed Matter

13 pages, REVTex, no figures

Scientific paper

We propose a simple idea to construct 1D integrable models with impurities. We illustrate the strategy for a supersymmetric $t-J$ Hamiltonian in considerable detail. The impurity comprises the local deformation of the hopping and exchange integrals as well as a three-body charge-current interactions on neighboring sites. We explore the thermodynamic properties of the system at low and high temperatures, and obtain results that are beyond boundary conformal-field theory.

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