Successive opening of the Fermi surface in doped N-leg Hubbard ladders

Details Successive opening of the Fermi surface in doped N-leg Hubbard ladders Successive opening of the Fermi surface in doped N-leg Hubbard ladders

2000-02-29

arxiv.org/abs/cond-mat/0002445v2

Phys. Rev. B 62, 16383 (2000)

Physics

Condensed Matter

Strongly Correlated Electrons

10 pages, 4 figures, to be published in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.62.16383

We study the effect of doping away from half-filling in weakly (but finitely) interacting N-leg Hubbard ladders using renormalization group and bosonization techniques. For a small on-site repulsion U, the N-leg Hubbard ladders are equivalent to a N-band model, where at half-filling the Fermi velocities are v_{1}=v_{N}

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