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28 March 2024
 
  » arxiv » cond-mat/9504114

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A new integrable two parameter model of strongly correlated electrons in one dimension
R. Z. Bariev ; A. Klümper ; J. Zittartz ;
Date 27 Apr 1995
AbstractA new one-dimensional fermion model depending on two independent interaction parameters is formulated and solved exactly by the Bethe ansatz method. The Hamiltonian of the model contains the Hubbard interaction and correlated hopping as well as pair hopping terms. The density-density and pair correlations are calculated which manifest superconducting properties in certain regimes of the phase diagram.
Source arXiv, cond-mat/9504114
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