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cond-mat1994★ 7 cited
Exact results for a one-dmensional t-J model with impurity
P. -A. Bares
We propose a simple idea to construct 1D integrable models with impurities. We illustrate the strategy for a supersymmetric Hamiltonian in considerable detail. The impurity c…
cond-mat1994
Asymptotic Bethe-Ansatz results for a Hubbard Chain with 1/sinh-Hopping
F. Gebhard, P. -A. Bares
We investigate spin-1/2 electrons with local Hubbard interaction and variable range hopping amplitudes which decay like~. Assuming integrability the Asymptotic…