Abstract
We discuss the physics of BCS pairing in the strongly correlated single band Hubbard model close to half-filling. In contrast to spin-fluctuation mediated pairing of importance in 3 He and heavy Fermion systems, we argue that the superexchange mediated pairing proposed by Anderson is stabilized by short range antiferromagnetic spin ordering. A mean field calculation shows that coexistence of antiferromagnetism and superconductivity is a stable solution for a doped Mott-Hubbard system.
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© 1987 Plenum Press, New York
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Doniach, S., Hirschfeld, P.J., Inui, M., Ruckenstein, A.E. (1987). Superexchange Mediated Superconductivity in the Single Band Hubbard Model. In: Wolf, S.A., Kresin, V.Z. (eds) Novel Superconductivity. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-1937-5_43
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DOI: https://doi.org/10.1007/978-1-4613-1937-5_43
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