Vertical and Diagonal Stripes in the Extended Hubbard Model

Details Vertical and Diagonal Stripes in the Extended Hubbard Model Vertical and Diagonal Stripes in the Extended Hubbard Model

2002-05-21

arxiv.org/abs/cond-mat/0205437v1

Phys. Stat. Sol. (b) 236, 376-379 (2003)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 2 figures

Scientific paper

We extend previous real-space Hartree-Fock studies of static stripe stability to determine the phase diagram of the Hubbard model with anisotropic nearest-neighbor hopping t, by varying the on-site Coulomb repulsion U and investigating locally stable structures for representative hole doping levels x=1/8 and x=1/6. We also report the changes in stability of these stripes in the extended Hubbard model due to next-neighbor hopping t' and to a nearest-neighbor Coulomb interaction V.

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