Recurrent Variational Approach to the Two-Leg Hubbard Ladder

Details Recurrent Variational Approach to the Two-Leg Hubbard Ladder Recurrent Variational Approach to the Two-Leg Hubbard Ladder

1999-02-08

arxiv.org/abs/cond-mat/9902107v1

Physics

Condensed Matter

Strongly Correlated Electrons

10 pages, 14 Postscript figures

Scientific paper

10.1103/PhysRevB.60.5169

We applied the Recurrent Variational Approach to the two-leg Hubbard ladder. At half-filling, our variational Ansatz was a generalization of the resonating valence bond state. At finite doping, hole pairs were allowed to move in the resonating valence bond background. The results obtained by the Recurrent Variational Approach were compared with results from Density Matrix Renormalization Group.

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