Vertical and diagonal stripes in the extended Hubbard model | Zendy

Raczkowski M. | Zendy; Normand B. | Zendy; Oleś A. M. | Zendy

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Vertical and diagonal stripes in the extended Hubbard model

Author(s) -

Raczkowski M.,

Normand B.,

Oleś A. M.

Publication year - 2003

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200301683

Subject(s) - phase diagram , diagonal , coulomb , hubbard model , condensed matter physics , k nearest neighbors algorithm , physics , stability (learning theory) , anisotropy , space (punctuation) , phase (matter) , quantum mechanics , geometry , mathematics , superconductivity , electron , computer science , artificial intelligence , machine learning , operating system

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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