most citedComparison of Variational Approaches for the Exactly Solvable 1/r-Hubbard Chain

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Comparison of Variational Approaches for the Exactly Solvable 1/r-Hubbard Chain

Florian Gebhard, Andreas Girndt

We study Hartree-Fock, Gutzwiller, Baeriswyl, and combined Gutzwiller-Baeriswyl wave functions for the exactly solvable one-dimensional -Hubbard model. We find that none of th…