Correlated pairs in the attractive Hubbard model

P. Pincus, P. Chaikin, C. F. Coll

    Research output: Contribution to journalArticlepeer-review


    The attractive Hubbard Model is considered in the strong coupling limits (U≫t) by treating the hopping integral, t, as a perturbation. A phase diagram emerges with two critical temperatures: itkBitTc t2/U and itkBTU U/4. For T<Tc, there is regime of strongly correlated pairs reminescent of superconductivity. For Tc<T<TU, there is a domain of uncorrelated pairs. For T>TU, one has a normal metal.

    Original languageEnglish (US)
    Pages (from-to)1265-1268
    Number of pages4
    JournalSolid State Communications
    Issue number12
    StatePublished - Jun 15 1973

    ASJC Scopus subject areas

    • General Chemistry
    • Condensed Matter Physics
    • Materials Chemistry


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